102012021209954 has 32 divisors (see below), whose sum is σ = 166860529735680. Its totient is φ = 46639835483472.

The previous prime is 102012021209953. The next prime is 102012021210031. The reversal of 102012021209954 is 459902120210201.

It is not an unprimeable number, because it can be changed into a prime (102012021209953) 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, 548559344 + ... + 548745275.

It is an arithmetic number, because the mean of its divisors is an integer number (5214391554240).

Almost surely, 2^{102012021209954} is an apocalyptic number.

102012021209954 is a deficient number, since it is larger than the sum of its proper divisors (64848508525726).

102012021209954 is a wasteful number, since it uses less digits than its factorization.

102012021209954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097304734.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 102012021209954 in words is "one hundred two trillion, twelve billion, twenty-one million, two hundred nine thousand, nine hundred fifty-four".