100612220442 has 32 divisors (see below), whose sum is σ = 203338810752. Its totient is φ = 33185147904.

The previous prime is 100612220383. The next prime is 100612220461. The reversal of 100612220442 is 244022216001.

It is a happy number.

100612220442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3621918 + ... + 3649590.

It is an arithmetic number, because the mean of its divisors is an integer number (6354337836).

Almost surely, 2^100612220442 is an apocalyptic number.

100612220442 is an abundant number, since it is smaller than the sum of its proper divisors (102726590310).

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

100612220442 is a wasteful number, since it uses less digits than its factorization.

100612220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34022.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 100612220442 its reverse (244022216001), we get a palindrome (344634436443).

The spelling of 100612220442 in words is "one hundred billion, six hundred twelve million, two hundred twenty thousand, four hundred forty-two".