12126642242510 has 8 divisors (see below), whose sum is σ = 21827956036536. Its totient is φ = 4850656897000.

The previous prime is 12126642242509. The next prime is 12126642242527. The reversal of 12126642242510 is 1524224662121.

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

It is a super-2 number, since 2×12126642242510² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

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, 606332112116 + ... + 606332112135.

It is an arithmetic number, because the mean of its divisors is an integer number (2728494504567).

Almost surely, 2^{12126642242510} is an apocalyptic number.

12126642242510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12126642242510 is a deficient number, since it is larger than the sum of its proper divisors (9701313794026).

12126642242510 is a wasteful number, since it uses less digits than its factorization.

12126642242510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212664224258.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 12126642242510 in words is "twelve trillion, one hundred twenty-six billion, six hundred forty-two million, two hundred forty-two thousand, five hundred ten".