211230420612 has 24 divisors (see below), whose sum is σ = 493017719712. Its totient is φ = 70389177600.

The previous prime is 211230420593. The next prime is 211230420617. The reversal of 211230420612 is 216024032112.

It is not an unprimeable number, because it can be changed into a prime (211230420617) 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, 2578314 + ... + 2658977.

It is an arithmetic number, because the mean of its divisors is an integer number (20542404988).

Almost surely, 2^211230420612 is an apocalyptic number.

It is an amenable number.

211230420612 is an abundant number, since it is smaller than the sum of its proper divisors (281787299100).

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

211230420612 is a wasteful number, since it uses less digits than its factorization.

211230420612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240659 (or 5240657 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211230420612 its reverse (216024032112), we get a palindrome (427254452724).

The spelling of 211230420612 in words is "two hundred eleven billion, two hundred thirty million, four hundred twenty thousand, six hundred twelve".