12870890138948 has 48 divisors (see below), whose sum is σ = 24027126291504. Its totient is φ = 6011666534400.

The previous prime is 12870890138933. The next prime is 12870890138963. The reversal of 12870890138948 is 84983109807821.

It is an interprime number because it is at equal distance from previous prime (12870890138933) and next prime (12870890138963).

It can be written as a sum of positive squares in 8 ways, for example, as 391853464324 + 12479036674624 = 625982^2 + 3532568^2 .

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56723690 + ... + 56950142.

It is an arithmetic number, because the mean of its divisors is an integer number (500565131073).

Almost surely, 2^{12870890138948} is an apocalyptic number.

It is an amenable number.

12870890138948 is a deficient number, since it is larger than the sum of its proper divisors (11156236152556).

12870890138948 is a wasteful number, since it uses less digits than its factorization.

12870890138948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232712 (or 232710 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 12870890138948 in words is "twelve trillion, eight hundred seventy billion, eight hundred ninety million, one hundred thirty-eight thousand, nine hundred forty-eight".