10022122111212 has 72 divisors (see below), whose sum is σ = 27052669338240. Its totient is φ = 3121461826560.

The previous prime is 10022122111207. The next prime is 10022122111217. The reversal of 10022122111212 is 21211122122001.

10022122111212 is a `hidden beast` number, since 1 + 0 + 0 + 221 + 221 + 11 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (10022122111207) and next prime (10022122111217).

It is a super-2 number, since 2×10022122111212² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10022122111217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154802053 + ... + 154866780.

Almost surely, 2^{10022122111212} is an apocalyptic number.

10022122111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10022122111212 is an abundant number, since it is smaller than the sum of its proper divisors (17030547227028).

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

10022122111212 is a wasteful number, since it uses less digits than its factorization.

10022122111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309668903 (or 309668898 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10022122111212 its reverse (21211122122001), we get a palindrome (31233244233213).

The spelling of 10022122111212 in words is "ten trillion, twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twelve".