101255212 has 12 divisors (see below), whose sum is σ = 178125696. Its totient is φ = 50362160.

The previous prime is 101255197. The next prime is 101255221. The reversal of 101255212 is 212552101.

It is a self number, because there is not a number n which added to its sum of digits gives 101255212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65503 + ... + 67030.

It is an arithmetic number, because the mean of its divisors is an integer number (14843808).

Almost surely, 2^101255212 is an apocalyptic number.

It is an amenable number.

101255212 is a deficient number, since it is larger than the sum of its proper divisors (76870484).

101255212 is a wasteful number, since it uses less digits than its factorization.

101255212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132728 (or 132726 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 101255212 is about 10062.5648817784. The cubic root of 101255212 is about 466.0928732353.

The spelling of 101255212 in words is "one hundred one million, two hundred fifty-five thousand, two hundred twelve".