12401402212 has 6 divisors (see below), whose sum is σ = 21702453878. Its totient is φ = 6200701104.

The previous prime is 12401402207. The next prime is 12401402231. The reversal of 12401402212 is 21220410421.

It can be written as a sum of positive squares in only one way, i.e., 10188076096 + 2213326116 = 100936^2 + 47046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12401402212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550175273 + ... + 1550175280.

Almost surely, 2^12401402212 is an apocalyptic number.

It is an amenable number.

12401402212 is a deficient number, since it is larger than the sum of its proper divisors (9301051666).

12401402212 is a wasteful number, since it uses less digits than its factorization.

12401402212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100350557 (or 3100350555 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12401402212 its reverse (21220410421), we get a palindrome (33621812633).

The spelling of 12401402212 in words is "twelve billion, four hundred one million, four hundred two thousand, two hundred twelve".