920222121212 has 48 divisors (see below), whose sum is σ = 1688535942912. Its totient is φ = 437978935680.

The previous prime is 920222121209. The next prime is 920222121229. The reversal of 920222121212 is 212121222029.

920222121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43097123 + ... + 43118469.

It is an arithmetic number, because the mean of its divisors is an integer number (35177832144).

Almost surely, 2^920222121212 is an apocalyptic number.

920222121212 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

920222121212 is a deficient number, since it is larger than the sum of its proper divisors (768313821700).

920222121212 is a wasteful number, since it uses less digits than its factorization.

920222121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23618 (or 23616 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 920222121212 in words is "nine hundred twenty billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".