102455540212 has 12 divisors (see below), whose sum is σ = 179306253280. Its totient is φ = 51225182136.

The previous prime is 102455540179. The next prime is 102455540219. The reversal of 102455540212 is 212045554201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102455540219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556512 + ... + 717367.

Almost surely, 2^102455540212 is an apocalyptic number.

It is an amenable number.

102455540212 is a deficient number, since it is larger than the sum of its proper divisors (76850713068).

102455540212 is a wasteful number, since it uses less digits than its factorization.

102455540212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293990 (or 1293988 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 102455540212 in words is "one hundred two billion, four hundred fifty-five million, five hundred forty thousand, two hundred twelve".