1012120122222 has 48 divisors (see below), whose sum is σ = 2393424633600. Its totient is φ = 306556822800.

The previous prime is 1012120122179. The next prime is 1012120122239. The reversal of 1012120122222 is 2222210212101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1012120122195 and 1012120122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802054 + ... + 1633257.

It is an arithmetic number, because the mean of its divisors is an integer number (49863013200).

Almost surely, 2^{1012120122222} is an apocalyptic number.

1012120122222 is an abundant number, since it is smaller than the sum of its proper divisors (1381304511378).

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

1012120122222 is a wasteful number, since it uses less digits than its factorization.

1012120122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437429 (or 2437426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1012120122222 its reverse (2222210212101), we get a palindrome (3234330334323).

The spelling of 1012120122222 in words is "one trillion, twelve billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".