220101212202012 has 72 divisors (see below), whose sum is σ = 556676947322496. Its totient is φ = 73326196562304.

The previous prime is 220101212201987. The next prime is 220101212202031. The reversal of 220101212202012 is 210202212101022.

It is a happy number.

220101212202012 is a `hidden beast` number, since 220 + 1 + 0 + 1 + 21 + 220 + 201 + 2 = 666.

It is a super-2 number, since 2×220101212202012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1442292898 + ... + 1442445494.

It is an arithmetic number, because the mean of its divisors is an integer number (7731624268368).

Almost surely, 2^{220101212202012} is an apocalyptic number.

It is an amenable number.

220101212202012 is an abundant number, since it is smaller than the sum of its proper divisors (336575735120484).

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

220101212202012 is a wasteful number, since it uses less digits than its factorization.

220101212202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174667 (or 174662 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220101212202012 its reverse (210202212101022), we get a palindrome (430303424303034).

The spelling of 220101212202012 in words is "two hundred twenty trillion, one hundred one billion, two hundred twelve million, two hundred two thousand, twelve".