105402413212 has 24 divisors (see below), whose sum is σ = 185548548416. Its totient is φ = 52389462528.

The previous prime is 105402413209. The next prime is 105402413251. The reversal of 105402413212 is 212314204501.

It is a super-2 number, since 2×105402413212² (a number of 23 digits) contains 22 as substring.

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, 344788 + ... + 574180.

Almost surely, 2^105402413212 is an apocalyptic number.

It is an amenable number.

105402413212 is a deficient number, since it is larger than the sum of its proper divisors (80146135204).

105402413212 is a wasteful number, since it uses less digits than its factorization.

105402413212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230077 (or 230075 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 105402413212 its reverse (212314204501), we get a palindrome (317716617713).

The spelling of 105402413212 in words is "one hundred five billion, four hundred two million, four hundred thirteen thousand, two hundred twelve".