1239717980102 has 16 divisors (see below), whose sum is σ = 2125751938560. Its totient is φ = 531177426888.

The previous prime is 1239717980069. The next prime is 1239717980141. The reversal of 1239717980102 is 2010897179321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10797428 + ... + 10911639.

It is an arithmetic number, because the mean of its divisors is an integer number (132859496160).

Almost surely, 2^{1239717980102} is an apocalyptic number.

1239717980102 is a deficient number, since it is larger than the sum of its proper divisors (886033958458).

1239717980102 is a wasteful number, since it uses less digits than its factorization.

1239717980102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21713155.

The product of its (nonzero) digits is 381024, while the sum is 50.

The spelling of 1239717980102 in words is "one trillion, two hundred thirty-nine billion, seven hundred seventeen million, nine hundred eighty thousand, one hundred two".