12856984653022 has 4 divisors (see below), whose sum is σ = 19285476979536. Its totient is φ = 6428492326510.

The previous prime is 12856984653013. The next prime is 12856984653031. The reversal of 12856984653022 is 22035648965821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12856984653013) and next prime (12856984653031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214246163254 + ... + 3214246163257.

It is an arithmetic number, because the mean of its divisors is an integer number (4821369244884).

Almost surely, 2^{12856984653022} is an apocalyptic number.

12856984653022 is a deficient number, since it is larger than the sum of its proper divisors (6428492326514).

12856984653022 is an equidigital number, since it uses as much as digits as its factorization.

12856984653022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428492326513.

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 12856984653022 in words is "twelve trillion, eight hundred fifty-six billion, nine hundred eighty-four million, six hundred fifty-three thousand, twenty-two".