12542154233134 has 16 divisors (see below), whose sum is σ = 18939969180000. Its totient is φ = 6228833282464.

The previous prime is 12542154233117. The next prime is 12542154233137. The reversal of 12542154233134 is 43133245124521.

12542154233134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12542154233134² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542154233137) 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, 11875119 + ... + 12888085.

It is an arithmetic number, because the mean of its divisors is an integer number (1183748073750).

Almost surely, 2^{12542154233134} is an apocalyptic number.

12542154233134 is a deficient number, since it is larger than the sum of its proper divisors (6397814946866).

12542154233134 is a wasteful number, since it uses less digits than its factorization.

12542154233134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054667.

The product of its digits is 345600, while the sum is 40.

Adding to 12542154233134 its reverse (43133245124521), we get a palindrome (55675399357655).

The spelling of 12542154233134 in words is "twelve trillion, five hundred forty-two billion, one hundred fifty-four million, two hundred thirty-three thousand, one hundred thirty-four".