12450402142 has 8 divisors (see below), whose sum is σ = 18931433616. Its totient is φ = 6139924272.

The previous prime is 12450402127. The next prime is 12450402169. The reversal of 12450402142 is 24120405421.

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

It is a congruent number.

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, 42638218 + ... + 42638509.

It is an arithmetic number, because the mean of its divisors is an integer number (2366429202).

Almost surely, 2^12450402142 is an apocalyptic number.

12450402142 is a deficient number, since it is larger than the sum of its proper divisors (6481031474).

12450402142 is an equidigital number, since it uses as much as digits as its factorization.

12450402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85276802.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12450402142 its reverse (24120405421), we get a palindrome (36570807563).

The spelling of 12450402142 in words is "twelve billion, four hundred fifty million, four hundred two thousand, one hundred forty-two".