26121212162 has 4 divisors (see below), whose sum is σ = 39181818246. Its totient is φ = 13060606080.

The previous prime is 26121212119. The next prime is 26121212167.

26121212162 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23746501801 + 2374710361 = 154099^2 + 48731^2 .

It is not an unprimeable number, because it can be changed into a prime (26121212167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530303039 + ... + 6530303042.

Almost surely, 2^26121212162 is an apocalyptic number.

26121212162 is a deficient number, since it is larger than the sum of its proper divisors (13060606084).

26121212162 is a wasteful number, since it uses less digits than its factorization.

26121212162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060606083.

The product of its digits is 1152, while the sum is 26.

The spelling of 26121212162 in words is "twenty-six billion, one hundred twenty-one million, two hundred twelve thousand, one hundred sixty-two".