1122012300 has 72 divisors (see below), whose sum is σ = 3249792000. Its totient is φ = 298886720.

The previous prime is 1122012299. The next prime is 1122012313. The reversal of 1122012300 is 32102211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466501 + ... + 468899.

It is an arithmetic number, because the mean of its divisors is an integer number (45136000).

Almost surely, 2^1122012300 is an apocalyptic number.

1122012300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122012300 is an abundant number, since it is smaller than the sum of its proper divisors (2127779700).

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

1122012300 is a wasteful number, since it uses less digits than its factorization.

1122012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3968 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1122012300 is about 33496.4520509262. The cubic root of 1122012300 is about 1039.1204039603.

Adding to 1122012300 its reverse (32102211), we get a palindrome (1154114511).

The spelling of 1122012300 in words is "one billion, one hundred twenty-two million, twelve thousand, three hundred".