1213122032 has 40 divisors (see below), whose sum is σ = 2476991760. Its totient is φ = 573972480.

The previous prime is 1213122017. The next prime is 1213122059. The reversal of 1213122032 is 2302213121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213122032.

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, 348782 + ... + 352242.

It is an arithmetic number, because the mean of its divisors is an integer number (61924794).

Almost surely, 2^1213122032 is an apocalyptic number.

It is an amenable number.

1213122032 is an abundant number, since it is smaller than the sum of its proper divisors (1263869728).

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

1213122032 is a wasteful number, since it uses less digits than its factorization.

1213122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1213122032 is about 34829.9014066936. The cubic root of 1213122032 is about 1066.5179356862.

Adding to 1213122032 its reverse (2302213121), we get a palindrome (3515335153).

The spelling of 1213122032 in words is "one billion, two hundred thirteen million, one hundred twenty-two thousand, thirty-two".