12534533502 has 16 divisors (see below), whose sum is σ = 25088088960. Its totient is φ = 4175007512.

The previous prime is 12534533471. The next prime is 12534533503. The reversal of 12534533502 is 20533543521.

It is a super-2 number, since 2×12534533502² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534533503) 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, 784008 + ... + 799835.

It is an arithmetic number, because the mean of its divisors is an integer number (1568005560).

Almost surely, 2^12534533502 is an apocalyptic number.

12534533502 is an abundant number, since it is smaller than the sum of its proper divisors (12553555458).

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

12534533502 is a wasteful number, since it uses less digits than its factorization.

12534533502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585167.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 12534533502 in words is "twelve billion, five hundred thirty-four million, five hundred thirty-three thousand, five hundred two".