1213211032 has 16 divisors (see below), whose sum is σ = 2481568200. Its totient is φ = 551459520.

The previous prime is 1213211011. The next prime is 1213211039. The reversal of 1213211032 is 2301123121.

It is a junction number, because it is equal to n+sod(n) for n = 1213210997 and 1213211015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213211039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6893157 + ... + 6893332.

Almost surely, 2^1213211032 is an apocalyptic number.

It is an amenable number.

1213211032 is an abundant number, since it is smaller than the sum of its proper divisors (1268357168).

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

1213211032 is a wasteful number, since it uses less digits than its factorization.

1213211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786506 (or 13786502 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1213211032 is about 34831.1790211012. The cubic root of 1213211032 is about 1066.5440165400.

Adding to 1213211032 its reverse (2301123121), we get a palindrome (3514334153).

The spelling of 1213211032 in words is "one billion, two hundred thirteen million, two hundred eleven thousand, thirty-two".