220120022120012 has 36 divisors (see below), whose sum is σ = 448105629198024. Its totient is φ = 94336277474880.

The previous prime is 220120022120003. The next prime is 220120022120017. The reversal of 220120022120012 is 210021220021022.

It is a happy number.

It is a super-2 number, since 2×220120022120012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220120022120017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16205288 + ... + 26511344.

It is an arithmetic number, because the mean of its divisors is an integer number (12447378588834).

Almost surely, 2^{220120022120012} is an apocalyptic number.

It is an amenable number.

220120022120012 is an abundant number, since it is smaller than the sum of its proper divisors (227985607078012).

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

220120022120012 is a wasteful number, since it uses less digits than its factorization.

220120022120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415046 (or 10415037 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220120022120012 its reverse (210021220021022), we get a palindrome (430141242141034).

The spelling of 220120022120012 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-two million, one hundred twenty thousand, twelve".