201012120121212 has 72 divisors (see below), whose sum is σ = 524469126636000. Its totient is φ = 64865516335488.

The previous prime is 201012120121199. The next prime is 201012120121231. The reversal of 201012120121212 is 212121021210102.

201012120121212 is a `hidden beast` number, since 20 + 101 + 212 + 0 + 121 + 212 = 666.

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 23 ways as a sum of consecutive naturals, for example, 378905787 + ... + 379435922.

It is an arithmetic number, because the mean of its divisors is an integer number (7284293425500).

Almost surely, 2^{201012120121212} is an apocalyptic number.

It is an amenable number.

201012120121212 is an abundant number, since it is smaller than the sum of its proper divisors (323457006514788).

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

201012120121212 is a wasteful number, since it uses less digits than its factorization.

201012120121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758341955 (or 758341950 counting only the distinct ones).

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

Adding to 201012120121212 its reverse (212121021210102), we get a palindrome (413133141331314).

The spelling of 201012120121212 in words is "two hundred one trillion, twelve billion, one hundred twenty million, one hundred twenty-one thousand, two hundred twelve".