201210100212 has 48 divisors (see below), whose sum is σ = 512402514624. Its totient is φ = 60945216000.

The previous prime is 201210100207. The next prime is 201210100237. The reversal of 201210100212 is 212001012102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49989 + ... + 636332.

It is an arithmetic number, because the mean of its divisors is an integer number (10675052388).

Almost surely, 2^201210100212 is an apocalyptic number.

201210100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201210100212 is an abundant number, since it is smaller than the sum of its proper divisors (311192414412).

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

201210100212 is a wasteful number, since it uses less digits than its factorization.

201210100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688560 (or 688558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201210100212 its reverse (212001012102), we get a palindrome (413211112314).

The spelling of 201210100212 in words is "two hundred one billion, two hundred ten million, one hundred thousand, two hundred twelve".