2121344202412 has 6 divisors (see below), whose sum is σ = 3712352354228. Its totient is φ = 1060672101204.

The previous prime is 2121344202403. The next prime is 2121344202427. The reversal of 2121344202412 is 2142024431212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265168025298 + ... + 265168025305.

Almost surely, 2^{2121344202412} is an apocalyptic number.

It is an amenable number.

2121344202412 is a deficient number, since it is larger than the sum of its proper divisors (1591008151816).

2121344202412 is a wasteful number, since it uses less digits than its factorization.

2121344202412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530336050607 (or 530336050605 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2121344202412 its reverse (2142024431212), we get a palindrome (4263368633624).

The spelling of 2121344202412 in words is "two trillion, one hundred twenty-one billion, three hundred forty-four million, two hundred two thousand, four hundred twelve".