211211212012002 has 16 divisors (see below), whose sum is σ = 469358248915680. Its totient is φ = 70403737337316.

The previous prime is 211211212011953. The next prime is 211211212012013. The reversal of 211211212012002 is 200210212112112.

211211212012002 is a `hidden beast` number, since 21 + 121 + 121 + 201 + 200 + 2 = 666.

It is a super-2 number, since 2×211211212012002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955659370428 + ... + 1955659370535.

It is an arithmetic number, because the mean of its divisors is an integer number (29334890557230).

Almost surely, 2^{211211212012002} is an apocalyptic number.

211211212012002 is an abundant number, since it is smaller than the sum of its proper divisors (258147036903678).

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

211211212012002 is a wasteful number, since it uses less digits than its factorization.

211211212012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911318740974 (or 3911318740968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211211212012002 its reverse (200210212112112), we get a palindrome (411421424124114).

The spelling of 211211212012002 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twelve million, twelve thousand, two".