211233013012 has 48 divisors (see below), whose sum is σ = 441107251200. Its totient is φ = 86538763872.

The previous prime is 211233013003. The next prime is 211233013021. The reversal of 211233013012 is 210310332112.

It is an interprime number because it is at equal distance from previous prime (211233013003) and next prime (211233013021).

It is a super-2 number, since 2×211233013012² (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 15 ways as a sum of consecutive naturals, for example, 946989 + ... + 1148587.

It is an arithmetic number, because the mean of its divisors is an integer number (9189734400).

Almost surely, 2^211233013012 is an apocalyptic number.

It is an amenable number.

211233013012 is an abundant number, since it is smaller than the sum of its proper divisors (229874238188).

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

211233013012 is a wasteful number, since it uses less digits than its factorization.

211233013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203260 (or 203258 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211233013012 its reverse (210310332112), we get a palindrome (421543345124).

The spelling of 211233013012 in words is "two hundred eleven billion, two hundred thirty-three million, thirteen thousand, twelve".