3157262121002 has 16 divisors (see below), whose sum is σ = 5167560341952. Its totient is φ = 1434804863520.

The previous prime is 3157262120989. The next prime is 3157262121031. The reversal of 3157262121002 is 2001212627513.

It is a self number, because there is not a number n which added to its sum of digits gives 3157262121002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15611363 + ... + 15812310.

It is an arithmetic number, because the mean of its divisors is an integer number (322972521372).

Almost surely, 2^{3157262121002} is an apocalyptic number.

3157262121002 is a deficient number, since it is larger than the sum of its proper divisors (2010298220950).

3157262121002 is a wasteful number, since it uses less digits than its factorization.

3157262121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428253.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 3157262121002 its reverse (2001212627513), we get a palindrome (5158474748515).

The spelling of 3157262121002 in words is "three trillion, one hundred fifty-seven billion, two hundred sixty-two million, one hundred twenty-one thousand, two".