3121226145532 has 72 divisors (see below), whose sum is σ = 6166604784816. Its totient is φ = 1370858688000.

The previous prime is 3121226145509. The next prime is 3121226145559. The reversal of 3121226145532 is 2355416221213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3121226145491 and 3121226145500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27554932 + ... + 27667972.

It is an arithmetic number, because the mean of its divisors is an integer number (85647288678).

Almost surely, 2^{3121226145532} is an apocalyptic number.

It is an amenable number.

3121226145532 is a deficient number, since it is larger than the sum of its proper divisors (3045378639284).

3121226145532 is a wasteful number, since it uses less digits than its factorization.

3121226145532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113771 (or 113738 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 3121226145532 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-six million, one hundred forty-five thousand, five hundred thirty-two".