12420670000534 has 32 divisors (see below), whose sum is σ = 19478572879104. Its totient is φ = 5928857980320.

The previous prime is 12420670000517. The next prime is 12420670000537. The reversal of 12420670000534 is 43500007602421.

It is a self number, because there is not a number n which added to its sum of digits gives 12420670000534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420670000537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186769029 + ... + 186835519.

It is an arithmetic number, because the mean of its divisors is an integer number (608705402472).

Almost surely, 2^{12420670000534} is an apocalyptic number.

12420670000534 is a deficient number, since it is larger than the sum of its proper divisors (7057902878570).

12420670000534 is a wasteful number, since it uses less digits than its factorization.

12420670000534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74292.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 12420670000534 its reverse (43500007602421), we get a palindrome (55920677602955).

The spelling of 12420670000534 in words is "twelve trillion, four hundred twenty billion, six hundred seventy million, five hundred thirty-four", and thus it is an aban number.