1213032021132 has 12 divisors (see below), whose sum is σ = 2830408049336. Its totient is φ = 404344007040.

The previous prime is 1213032021121. The next prime is 1213032021163. The reversal of 1213032021132 is 2311202303121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1213032021132² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213032021099 and 1213032021108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50543000869 + ... + 50543000892.

Almost surely, 2^{1213032021132} is an apocalyptic number.

1213032021132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213032021132 is an abundant number, since it is smaller than the sum of its proper divisors (1617376028204).

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

1213032021132 is a wasteful number, since it uses less digits than its factorization.

1213032021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101086001768 (or 101086001766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1213032021132 its reverse (2311202303121), we get a palindrome (3524234324253).

The spelling of 1213032021132 in words is "one trillion, two hundred thirteen billion, thirty-two million, twenty-one thousand, one hundred thirty-two".