100612220413 has 4 divisors (see below), whose sum is σ = 101029698748. Its totient is φ = 100194742080.

The previous prime is 100612220383. The next prime is 100612220461. The reversal of 100612220413 is 314022216001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80498740729 + 20113479684 = 283723^2 + 141822^2 .

It is a cyclic number.

It is not a de Polignac number, because 100612220413 - 2¹³ = 100612212221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100612290413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208738806 + ... + 208739287.

It is an arithmetic number, because the mean of its divisors is an integer number (25257424687).

Almost surely, 2^100612220413 is an apocalyptic number.

It is an amenable number.

100612220413 is a deficient number, since it is larger than the sum of its proper divisors (417478335).

100612220413 is an equidigital number, since it uses as much as digits as its factorization.

100612220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417478334.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 100612220413 its reverse (314022216001), we get a palindrome (414634436414).

The spelling of 100612220413 in words is "one hundred billion, six hundred twelve million, two hundred twenty thousand, four hundred thirteen".