1213246111532 has 48 divisors (see below), whose sum is σ = 2617493938752. Its totient is φ = 479166796800.

The previous prime is 1213246111499. The next prime is 1213246111543. The reversal of 1213246111532 is 2351116423121.

It is a super-2 number, since 2×1213246111532² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554193 + ... + 2991720.

It is an arithmetic number, because the mean of its divisors is an integer number (54531123724).

Almost surely, 2^{1213246111532} is an apocalyptic number.

It is an amenable number.

1213246111532 is an abundant number, since it is smaller than the sum of its proper divisors (1404247827220).

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

1213246111532 is a wasteful number, since it uses less digits than its factorization.

1213246111532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546538 (or 5546536 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The spelling of 1213246111532 in words is "one trillion, two hundred thirteen billion, two hundred forty-six million, one hundred eleven thousand, five hundred thirty-two".