12884026542 has 32 divisors (see below), whose sum is σ = 26061467040. Its totient is φ = 4245964800.

The previous prime is 12884026517. The next prime is 12884026577. The reversal of 12884026542 is 24562048821.

It is a junction number, because it is equal to n+sod(n) for n = 12884026494 and 12884026503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248184 + ... + 295572.

It is an arithmetic number, because the mean of its divisors is an integer number (814420845).

Almost surely, 2^12884026542 is an apocalyptic number.

12884026542 is an abundant number, since it is smaller than the sum of its proper divisors (13177440498).

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

12884026542 is a wasteful number, since it uses less digits than its factorization.

12884026542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47908.

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 12884026542 in words is "twelve billion, eight hundred eighty-four million, twenty-six thousand, five hundred forty-two".