12730323477642 has 16 divisors (see below), whose sum is σ = 25601313515232. Its totient is φ = 4219996732560.

The previous prime is 12730323477637. The next prime is 12730323477649. The reversal of 12730323477642 is 24677432303721.

It is a super-2 number, since 2×12730323477642² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12730323477649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5861105488 + ... + 5861107659.

It is an arithmetic number, because the mean of its divisors is an integer number (1600082094702).

Almost surely, 2^{12730323477642} is an apocalyptic number.

12730323477642 is an abundant number, since it is smaller than the sum of its proper divisors (12870990037590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12730323477642 is a wasteful number, since it uses less digits than its factorization.

12730323477642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722213333.

The product of its (nonzero) digits is 7112448, while the sum is 51.

The spelling of 12730323477642 in words is "twelve trillion, seven hundred thirty billion, three hundred twenty-three million, four hundred seventy-seven thousand, six hundred forty-two".