10012012212220 has 12 divisors (see below), whose sum is σ = 21025225645704. Its totient is φ = 4004804884880.

The previous prime is 10012012212157. The next prime is 10012012212221. The reversal of 10012012212220 is 2221221021001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10012012212194 and 10012012212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012012212221) 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, 250300305286 + ... + 250300305325.

It is an arithmetic number, because the mean of its divisors is an integer number (1752102137142).

Almost surely, 2^{10012012212220} is an apocalyptic number.

10012012212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012012212220 is an abundant number, since it is smaller than the sum of its proper divisors (11013213433484).

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

10012012212220 is a wasteful number, since it uses less digits than its factorization.

10012012212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500600610620 (or 500600610618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10012012212220 its reverse (2221221021001), we get a palindrome (12233233233221).

The spelling of 10012012212220 in words is "ten trillion, twelve billion, twelve million, two hundred twelve thousand, two hundred twenty".