2111212001208 has 32 divisors (see below), whose sum is σ = 5278131855360. Its totient is φ = 703723753440.

The previous prime is 2111212001203. The next prime is 2111212001209. The reversal of 2111212001208 is 8021002121112.

It is a super-2 number, since 2×2111212001208² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111212001203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462153 + ... + 2106183.

It is an arithmetic number, because the mean of its divisors is an integer number (164941620480).

Almost surely, 2^{2111212001208} is an apocalyptic number.

It is an amenable number.

2111212001208 is an abundant number, since it is smaller than the sum of its proper divisors (3166919854152).

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

2111212001208 is a wasteful number, since it uses less digits than its factorization.

2111212001208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697547 (or 1697543 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2111212001208 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one thousand, two hundred eight".