12121232212032 has 56 divisors (see below), whose sum is σ = 32364987441600. Its totient is φ = 4003342742016.

The previous prime is 12121232212003. The next prime is 12121232212039. The reversal of 12121232212032 is 23021223212121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12121232211993 and 12121232212011.

It is not an unprimeable number, because it can be changed into a prime (12121232212039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289572732 + ... + 289614587.

Almost surely, 2^{12121232212032} is an apocalyptic number.

12121232212032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12121232212032 is an abundant number, since it is smaller than the sum of its proper divisors (20243755229568).

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

12121232212032 is a wasteful number, since it uses less digits than its factorization.

12121232212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579187443 (or 579187433 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12121232212032 its reverse (23021223212121), we get a palindrome (35142455424153).

The spelling of 12121232212032 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty-two million, two hundred twelve thousand, thirty-two".