12402100340 has 24 divisors (see below), whose sum is σ = 29765041152. Its totient is φ = 4252148640.

The previous prime is 12402100339. The next prime is 12402100351. The reversal of 12402100340 is 4300120421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44293076 + ... + 44293355.

It is an arithmetic number, because the mean of its divisors is an integer number (1240210048).

Almost surely, 2^12402100340 is an apocalyptic number.

12402100340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402100340 is an abundant number, since it is smaller than the sum of its proper divisors (17362940812).

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

12402100340 is a wasteful number, since it uses less digits than its factorization.

12402100340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88586447 (or 88586445 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12402100340 its reverse (4300120421), we get a palindrome (16702220761).

The spelling of 12402100340 in words is "twelve billion, four hundred two million, one hundred thousand, three hundred forty".