1212140400412 has 24 divisors (see below), whose sum is σ = 2124242203104. Its totient is φ = 605214299712.

The previous prime is 1212140400377. The next prime is 1212140400433. The reversal of 1212140400412 is 2140040412121.

It is a congruent number.

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, 22949538 + ... + 23002294.

It is an arithmetic number, because the mean of its divisors is an integer number (88510091796).

Almost surely, 2^{1212140400412} is an apocalyptic number.

It is an amenable number.

1212140400412 is a deficient number, since it is larger than the sum of its proper divisors (912101802692).

1212140400412 is a wasteful number, since it uses less digits than its factorization.

1212140400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60765 (or 60763 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1212140400412 its reverse (2140040412121), we get a palindrome (3352180812533).

The spelling of 1212140400412 in words is "one trillion, two hundred twelve billion, one hundred forty million, four hundred thousand, four hundred twelve".