212012101121000 has 64 divisors (see below), whose sum is σ = 500014681620480. Its totient is φ = 84137085748800.

The previous prime is 212012101120979. The next prime is 212012101121021. The reversal of 212012101121000 is 121101210212.

It is an interprime number because it is at equal distance from previous prime (212012101120979) and next prime (212012101121021).

It is a super-2 number, since 2×212012101121000² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834566312 + ... + 834820311.

It is an arithmetic number, because the mean of its divisors is an integer number (7812729400320).

Almost surely, 2^{212012101121000} is an apocalyptic number.

212012101121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012101121000 is an abundant number, since it is smaller than the sum of its proper divisors (288002580499480).

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

212012101121000 is a wasteful number, since it uses less digits than its factorization.

212012101121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669386771 (or 1669386757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212012101121000 its reverse (121101210212), we get a palindrome (212133202331212).

The spelling of 212012101121000 in words is "two hundred twelve trillion, twelve billion, one hundred one million, one hundred twenty-one thousand".