1002121231232 has 64 divisors (see below), whose sum is σ = 2178441907200. Its totient is φ = 455397465600.

The previous prime is 1002121231217. The next prime is 1002121231271. The reversal of 1002121231232 is 2321321212001.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1002121231232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 5770307 + ... + 5941437.

It is an arithmetic number, because the mean of its divisors is an integer number (34038154800).

Almost surely, 2^{1002121231232} is an apocalyptic number.

It is an amenable number.

1002121231232 is an abundant number, since it is smaller than the sum of its proper divisors (1176320675968).

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

1002121231232 is a wasteful number, since it uses less digits than its factorization.

1002121231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175315 (or 175303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1002121231232 its reverse (2321321212001), we get a palindrome (3323442443233).

The spelling of 1002121231232 in words is "one trillion, two billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-two".