212011220120000 has 140 divisors (see below), whose sum is σ = 600821626223280. Its totient is φ = 72689561088000.

The previous prime is 212011220119997. The next prime is 212011220120023. The reversal of 212011220120000 is 21022110212.

It is a tau number, because it is divible by the number of its divisors (140).

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 378311465 + ... + 378871464.

It is an arithmetic number, because the mean of its divisors is an integer number (4291583044452).

Almost surely, 2^{212011220120000} is an apocalyptic number.

212011220120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212011220120000 is an abundant number, since it is smaller than the sum of its proper divisors (388810406103280).

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

212011220120000 is an frugal number, since it uses more digits than its factorization.

212011220120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757182968 (or 757182943 counting only the distinct ones).

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

Adding to 212011220120000 its reverse (21022110212), we get a palindrome (212032242230212).

The spelling of 212011220120000 in words is "two hundred twelve trillion, eleven billion, two hundred twenty million, one hundred twenty thousand".