101200222120012 has 12 divisors (see below), whose sum is σ = 177100468564320. Its totient is φ = 50600088244496.

The previous prime is 101200222120009. The next prime is 101200222120021. The reversal of 101200222120012 is 210021222002101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7860189 + ... + 16253707.

It is an arithmetic number, because the mean of its divisors is an integer number (14758372380360).

Almost surely, 2^{101200222120012} is an apocalyptic number.

It is an amenable number.

101200222120012 is a deficient number, since it is larger than the sum of its proper divisors (75900246444308).

101200222120012 is a wasteful number, since it uses less digits than its factorization.

101200222120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407760 (or 11407758 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101200222120012 its reverse (210021222002101), we get a palindrome (311221444122113).

The spelling of 101200222120012 in words is "one hundred one trillion, two hundred billion, two hundred twenty-two million, one hundred twenty thousand, twelve".