1212444532 has 36 divisors (see below), whose sum is σ = 2301003936. Its totient is φ = 558748320.

The previous prime is 1212444491. The next prime is 1212444551. The reversal of 1212444532 is 2354442121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212444532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801657 + ... + 803167.

It is an arithmetic number, because the mean of its divisors is an integer number (63916776).

Almost surely, 2^1212444532 is an apocalyptic number.

It is an amenable number.

1212444532 is a deficient number, since it is larger than the sum of its proper divisors (1088559404).

1212444532 is a wasteful number, since it uses less digits than its factorization.

1212444532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2713 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1212444532 is about 34820.1742097882. The cubic root of 1212444532 is about 1066.3193570228.

Adding to 1212444532 its reverse (2354442121), we get a palindrome (3566886653).

The spelling of 1212444532 in words is "one billion, two hundred twelve million, four hundred forty-four thousand, five hundred thirty-two".