212001222101010 has 16 divisors (see below), whose sum is σ = 508802933042496. Its totient is φ = 56533659226928.

The previous prime is 212001222100973. The next prime is 212001222101089. The reversal of 212001222101010 is 10101222100212.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3533353701654 + ... + 3533353701713.

It is an arithmetic number, because the mean of its divisors is an integer number (31800183315156).

Almost surely, 2^{212001222101010} is an apocalyptic number.

212001222101010 is an abundant number, since it is smaller than the sum of its proper divisors (296801710941486).

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

212001222101010 is a wasteful number, since it uses less digits than its factorization.

212001222101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066707403377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212001222101010 its reverse (10101222100212), we get a palindrome (222102444201222).

The spelling of 212001222101010 in words is "two hundred twelve trillion, one billion, two hundred twenty-two million, one hundred one thousand, ten".