1012022120 has 16 divisors (see below), whose sum is σ = 2277049860. Its totient is φ = 404808832.

The previous prime is 1012022119. The next prime is 1012022131. The reversal of 1012022120 is 212202101.

It is a happy number.

1012022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 966836836 + 45185284 = 31094^2 + 6722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650237 + ... + 12650316.

Almost surely, 2^1012022120 is an apocalyptic number.

1012022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012022120 is an abundant number, since it is smaller than the sum of its proper divisors (1265027740).

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

1012022120 is a wasteful number, since it uses less digits than its factorization.

1012022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25300564 (or 25300560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012022120 is about 31812.2951073952. The cubic root of 1012022120 is about 1003.9914206978.

Adding to 1012022120 its reverse (212202101), we get a palindrome (1224224221).

The spelling of 1012022120 in words is "one billion, twelve million, twenty-two thousand, one hundred twenty".