1122100012 has 24 divisors (see below), whose sum is σ = 2162220480. Its totient is φ = 505276560.

The previous prime is 1122099959. The next prime is 1122100033. The reversal of 1122100012 is 2100012211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114462 + ... + 123877.

It is an arithmetic number, because the mean of its divisors is an integer number (90092520).

Almost surely, 2^1122100012 is an apocalyptic number.

It is an amenable number.

1122100012 is a deficient number, since it is larger than the sum of its proper divisors (1040120468).

1122100012 is a wasteful number, since it uses less digits than its factorization.

1122100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238461 (or 238459 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1122100012 is about 33497.7612983316. The cubic root of 1122100012 is about 1039.1474805957.

Adding to 1122100012 its reverse (2100012211), we get a palindrome (3222112223).

The spelling of 1122100012 in words is "one billion, one hundred twenty-two million, one hundred thousand, twelve".