1022012120 has 32 divisors (see below), whose sum is σ = 2434795200. Its totient is φ = 384757248.

The previous prime is 1022012059. The next prime is 1022012129. The reversal of 1022012120 is 212102201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022012129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750800 + ... + 752159.

It is an arithmetic number, because the mean of its divisors is an integer number (76087350).

Almost surely, 2^1022012120 is an apocalyptic number.

1022012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022012120 is an abundant number, since it is smaller than the sum of its proper divisors (1412783080).

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

1022012120 is a wasteful number, since it uses less digits than its factorization.

1022012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502987 (or 1502983 counting only the distinct ones).

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

The square root of 1022012120 is about 31968.9242859374. The cubic root of 1022012120 is about 1007.2841851487.

Adding to 1022012120 its reverse (212102201), we get a palindrome (1234114321).

The spelling of 1022012120 in words is "one billion, twenty-two million, twelve thousand, one hundred twenty".