1023400022412 has 12 divisors (see below), whose sum is σ = 2387933385656. Its totient is φ = 341133340800.

The previous prime is 1023400022401. The next prime is 1023400022429. The reversal of 1023400022412 is 2142200043201.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42641667589 + ... + 42641667612.

Almost surely, 2^{1023400022412} is an apocalyptic number.

1023400022412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023400022412 is an abundant number, since it is smaller than the sum of its proper divisors (1364533363244).

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

1023400022412 is a wasteful number, since it uses less digits than its factorization.

1023400022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85283335208 (or 85283335206 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1023400022412 its reverse (2142200043201), we get a palindrome (3165600065613).

The spelling of 1023400022412 in words is "one trillion, twenty-three billion, four hundred million, twenty-two thousand, four hundred twelve".