1213860725102 has 4 divisors (see below), whose sum is σ = 1820791087656. Its totient is φ = 606930362550.

The previous prime is 1213860725083. The next prime is 1213860725123. The reversal of 1213860725102 is 2015270683121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303465181274 + ... + 303465181277.

It is an arithmetic number, because the mean of its divisors is an integer number (455197771914).

Almost surely, 2^{1213860725102} is an apocalyptic number.

1213860725102 is a deficient number, since it is larger than the sum of its proper divisors (606930362554).

1213860725102 is an equidigital number, since it uses as much as digits as its factorization.

1213860725102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606930362553.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1213860725102 in words is "one trillion, two hundred thirteen billion, eight hundred sixty million, seven hundred twenty-five thousand, one hundred two".