102261212 has 6 divisors (see below), whose sum is σ = 178957128. Its totient is φ = 51130604.

The previous prime is 102261167. The next prime is 102261223. The reversal of 102261212 is 212162201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12782648 + ... + 12782655.

It is an arithmetic number, because the mean of its divisors is an integer number (29826188).

Almost surely, 2^102261212 is an apocalyptic number.

It is an amenable number.

102261212 is a deficient number, since it is larger than the sum of its proper divisors (76695916).

102261212 is a wasteful number, since it uses less digits than its factorization.

102261212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25565307 (or 25565305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102261212 is about 10112.4285906008. The cubic root of 102261212 is about 467.6313787108.

The spelling of 102261212 in words is "one hundred two million, two hundred sixty-one thousand, two hundred twelve".