126321206240260 has 48 divisors (see below), whose sum is σ = 265793537358720. Its totient is φ = 50429631732480.

The previous prime is 126321206240153. The next prime is 126321206240309. The reversal of 126321206240260 is 62042602123621.

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, 300584161 + ... + 301004119.

It is an arithmetic number, because the mean of its divisors is an integer number (5537365361640).

Almost surely, 2^{126321206240260} is an apocalyptic number.

126321206240260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126321206240260 is an abundant number, since it is smaller than the sum of its proper divisors (139472331118460).

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

126321206240260 is a wasteful number, since it uses less digits than its factorization.

126321206240260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449356 (or 449354 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 126321206240260 its reverse (62042602123621), we get a palindrome (188363808363881).

The spelling of 126321206240260 in words is "one hundred twenty-six trillion, three hundred twenty-one billion, two hundred six million, two hundred forty thousand, two hundred sixty".