220212121132 has 12 divisors (see below), whose sum is σ = 385468384000. Its totient is φ = 110078297136.

The previous prime is 220212121121. The next prime is 220212121133. The reversal of 220212121132 is 231121212022.

It is a super-2 number, since 2×220212121132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220212121133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6923007 + ... + 6954742.

Almost surely, 2^220212121132 is an apocalyptic number.

It is an amenable number.

220212121132 is a deficient number, since it is larger than the sum of its proper divisors (165256262868).

220212121132 is a wasteful number, since it uses less digits than its factorization.

220212121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13881720 (or 13881718 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220212121132 its reverse (231121212022), we get a palindrome (451333333154).

The spelling of 220212121132 in words is "two hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, one hundred thirty-two".