212012022001200 has 60 divisors (see below), whose sum is σ = 679145177147688. Its totient is φ = 56536539200000.

The previous prime is 212012022001189. The next prime is 212012022001201. The reversal of 212012022001200 is 2100220210212.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212012022001200.

It is not an unprimeable number, because it can be changed into a prime (212012022001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88338341301 + ... + 88338343700.

Almost surely, 2^{212012022001200} is an apocalyptic number.

212012022001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012022001200 is an abundant number, since it is smaller than the sum of its proper divisors (467133155146488).

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

212012022001200 is a wasteful number, since it uses less digits than its factorization.

212012022001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176676685022 (or 176676685011 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212012022001200 its reverse (2100220210212), we get a palindrome (214112242211412).

The spelling of 212012022001200 in words is "two hundred twelve trillion, twelve billion, twenty-two million, one thousand, two hundred".