211212011000 has 32 divisors (see below), whose sum is σ = 494236108080. Its totient is φ = 84484804000.

The previous prime is 211212010993. The next prime is 211212011011. The reversal of 211212011000 is 110212112.

It is a super-2 number, since 2×211212011000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 105605006 + ... + 105607005.

Almost surely, 2^211212011000 is an apocalyptic number.

211212011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211212011000 is an abundant number, since it is smaller than the sum of its proper divisors (283024097080).

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

211212011000 is a wasteful number, since it uses less digits than its factorization.

211212011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211212032 (or 211212018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211212011000 its reverse (110212112), we get a palindrome (211322223112).

The spelling of 211212011000 in words is "two hundred eleven billion, two hundred twelve million, eleven thousand".