201010117212 has 24 divisors (see below), whose sum is σ = 521137341200. Its totient is φ = 67003372368.

The previous prime is 201010117183. The next prime is 201010117223. The reversal of 201010117212 is 212711010102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930602287 + ... + 930602502.

Almost surely, 2^201010117212 is an apocalyptic number.

It is an amenable number.

201010117212 is an abundant number, since it is smaller than the sum of its proper divisors (320127223988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201010117212 is a wasteful number, since it uses less digits than its factorization.

201010117212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861204802 (or 1861204794 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 201010117212 its reverse (212711010102), we get a palindrome (413721127314).

The spelling of 201010117212 in words is "two hundred one billion, ten million, one hundred seventeen thousand, two hundred twelve".