12012131402 has 8 divisors (see below), whose sum is σ = 18081866496. Its totient is φ = 5984842572.

The previous prime is 12012131377. The next prime is 12012131423. The reversal of 12012131402 is 20413121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610858 + ... + 10611989.

It is an arithmetic number, because the mean of its divisors is an integer number (2260233312).

Almost surely, 2^12012131402 is an apocalyptic number.

12012131402 is a deficient number, since it is larger than the sum of its proper divisors (6069735094).

12012131402 is a wasteful number, since it uses less digits than its factorization.

12012131402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223132.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012131402 its reverse (20413121021), we get a palindrome (32425252423).

The spelling of 12012131402 in words is "twelve billion, twelve million, one hundred thirty-one thousand, four hundred two".