102140245412 has 48 divisors (see below), whose sum is σ = 188567084160. Its totient is φ = 48341728512.

The previous prime is 102140245411. The next prime is 102140245457. The reversal of 102140245412 is 214542041201.

It is not an unprimeable number, because it can be changed into a prime (102140245411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1378043 + ... + 1450269.

It is an arithmetic number, because the mean of its divisors is an integer number (3928480920).

Almost surely, 2^102140245412 is an apocalyptic number.

It is an amenable number.

102140245412 is a deficient number, since it is larger than the sum of its proper divisors (86426838748).

102140245412 is a wasteful number, since it uses less digits than its factorization.

102140245412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72500 (or 72498 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 102140245412 its reverse (214542041201), we get a palindrome (316682286613).

The spelling of 102140245412 in words is "one hundred two billion, one hundred forty million, two hundred forty-five thousand, four hundred twelve".