211212012032 has 80 divisors (see below), whose sum is σ = 483421416192. Its totient is φ = 90308751360.

The previous prime is 211212011987. The next prime is 211212012073. The reversal of 211212012032 is 230210212112.

It is a super-2 number, since 2×211212012032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212012032.

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, 1476338 + ... + 1613070.

Almost surely, 2^211212012032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211212012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241710708096).

211212012032 is an abundant number, since it is smaller than the sum of its proper divisors (272209404160).

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

211212012032 is an equidigital number, since it uses as much as digits as its factorization.

211212012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137189 (or 137173 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211212012032 its reverse (230210212112), we get a palindrome (441422224144).

The spelling of 211212012032 in words is "two hundred eleven billion, two hundred twelve million, twelve thousand, thirty-two".