212012200102120 has 128 divisors (see below), whose sum is σ = 580005231177600. Its totient is φ = 68741360640000.

The previous prime is 212012200102117. The next prime is 212012200102123. The reversal of 212012200102120 is 21201002210212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212012200102117) and next prime (212012200102123).

It is a junction number, because it is equal to n+sod(n) for n = 212012200102094 and 212012200102103.

It is not an unprimeable number, because it can be changed into a prime (212012200102123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745749381 + ... + 746033620.

It is an arithmetic number, because the mean of its divisors is an integer number (4531290868575).

Almost surely, 2^{212012200102120} is an apocalyptic number.

212012200102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012200102120 is an abundant number, since it is smaller than the sum of its proper divisors (367993031075480).

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

212012200102120 is a wasteful number, since it uses less digits than its factorization.

212012200102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491783059 (or 1491783055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212012200102120 its reverse (21201002210212), we get a palindrome (233213202312332).

The spelling of 212012200102120 in words is "two hundred twelve trillion, twelve billion, two hundred million, one hundred two thousand, one hundred twenty".