201212010108 has 36 divisors (see below), whose sum is σ = 508639211808. Its totient is φ = 67068037440.

The previous prime is 201212010107. The next prime is 201212010121. The reversal of 201212010108 is 801010212102.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212010101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964248 + ... + 1154208.

Almost surely, 2^201212010108 is an apocalyptic number.

It is an amenable number.

201212010108 is an abundant number, since it is smaller than the sum of its proper divisors (307427201700).

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

201212010108 is a wasteful number, since it uses less digits than its factorization.

201212010108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219394 (or 219389 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 201212010108 in words is "two hundred one billion, two hundred twelve million, ten thousand, one hundred eight".