101553212 has 6 divisors (see below), whose sum is σ = 177718128. Its totient is φ = 50776604.

The previous prime is 101553209. The next prime is 101553253. The reversal of 101553212 is 212355101.

It is a happy number.

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, 12694148 + ... + 12694155.

It is an arithmetic number, because the mean of its divisors is an integer number (29619688).

Almost surely, 2^101553212 is an apocalyptic number.

It is an amenable number.

101553212 is a deficient number, since it is larger than the sum of its proper divisors (76164916).

101553212 is a wasteful number, since it uses less digits than its factorization.

101553212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388307 (or 25388305 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101553212 is about 10077.3613609913. The cubic root of 101553212 is about 466.5496715784.

The spelling of 101553212 in words is "one hundred one million, five hundred fifty-three thousand, two hundred twelve".