201212120102 has 24 divisors (see below), whose sum is σ = 351279052344. Its totient is φ = 86188466112.

The previous prime is 201212120093. The next prime is 201212120111. The reversal of 201212120102 is 201021212102.

201212120102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201212120093) and next prime (201212120111).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351443 + ... + 725214.

It is an arithmetic number, because the mean of its divisors is an integer number (14636627181).

Almost surely, 2^201212120102 is an apocalyptic number.

201212120102 is a deficient number, since it is larger than the sum of its proper divisors (150066932242).

201212120102 is a wasteful number, since it uses less digits than its factorization.

201212120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078580 (or 1078573 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201212120102 its reverse (201021212102), we get a palindrome (402233332204).

The spelling of 201212120102 in words is "two hundred one billion, two hundred twelve million, one hundred twenty thousand, one hundred two".