212266226410 has 32 divisors (see below), whose sum is σ = 446816886912. Its totient is φ = 71084502720.

The previous prime is 212266226401. The next prime is 212266226519. The reversal of 212266226410 is 14622662212.

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, 35257161 + ... + 35263180.

It is an arithmetic number, because the mean of its divisors is an integer number (13963027716).

Almost surely, 2^212266226410 is an apocalyptic number.

212266226410 is an abundant number, since it is smaller than the sum of its proper divisors (234550660502).

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

212266226410 is a wasteful number, since it uses less digits than its factorization.

212266226410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70520398.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 212266226410 its reverse (14622662212), we get a palindrome (226888888622).

The spelling of 212266226410 in words is "two hundred twelve billion, two hundred sixty-six million, two hundred twenty-six thousand, four hundred ten".