1202017312 has 48 divisors (see below), whose sum is σ = 2455488000. Its totient is φ = 578603520.

The previous prime is 1202017309. The next prime is 1202017331. The reversal of 1202017312 is 2137102021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202017312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194364 + ... + 200452.

It is an arithmetic number, because the mean of its divisors is an integer number (51156000).

Almost surely, 2^1202017312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202017312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227744000).

1202017312 is an abundant number, since it is smaller than the sum of its proper divisors (1253470688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202017312 is a wasteful number, since it uses less digits than its factorization.

1202017312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329 (or 6321 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1202017312 is about 34670.1213150459. The cubic root of 1202017312 is about 1063.2537118890.

Adding to 1202017312 its reverse (2137102021), we get a palindrome (3339119333).

The spelling of 1202017312 in words is "one billion, two hundred two million, seventeen thousand, three hundred twelve".