1123400122412 has 6 divisors (see below), whose sum is σ = 1965950214228. Its totient is φ = 561700061204.

The previous prime is 1123400122399. The next prime is 1123400122459. The reversal of 1123400122412 is 2142210043211.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140425015298 + ... + 140425015305.

It is an arithmetic number, because the mean of its divisors is an integer number (327658369038).

Almost surely, 2^{1123400122412} is an apocalyptic number.

It is an amenable number.

1123400122412 is a deficient number, since it is larger than the sum of its proper divisors (842550091816).

1123400122412 is a wasteful number, since it uses less digits than its factorization.

1123400122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280850030607 (or 280850030605 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1123400122412 its reverse (2142210043211), we get a palindrome (3265610165623).

The spelling of 1123400122412 in words is "one trillion, one hundred twenty-three billion, four hundred million, one hundred twenty-two thousand, four hundred twelve".