101200122123212 has 48 divisors (see below), whose sum is σ = 203692166841408. Its totient is φ = 43094647814400.

The previous prime is 101200122123167. The next prime is 101200122123251. The reversal of 101200122123212 is 212321221002101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536204462 + ... + 536393162.

It is an arithmetic number, because the mean of its divisors is an integer number (4243586809196).

Almost surely, 2^{101200122123212} is an apocalyptic number.

It is an amenable number.

101200122123212 is an abundant number, since it is smaller than the sum of its proper divisors (102492044718196).

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

101200122123212 is a wasteful number, since it uses less digits than its factorization.

101200122123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310866 (or 310864 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101200122123212 its reverse (212321221002101), we get a palindrome (313521343125313).

The spelling of 101200122123212 in words is "one hundred one trillion, two hundred billion, one hundred twenty-two million, one hundred twenty-three thousand, two hundred twelve".