20122112000090 has 16 divisors (see below), whose sum is σ = 36219919767840. Its totient is φ = 8048818540560.

The previous prime is 20122112000083. The next prime is 20122112000129. The reversal of 20122112000090 is 9000021122102.

It is a happy number.

It is a Curzon 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, 102125 + ... + 6344655.

It is an arithmetic number, because the mean of its divisors is an integer number (2263744985490).

Almost surely, 2^{20122112000090} is an apocalyptic number.

20122112000090 is a deficient number, since it is larger than the sum of its proper divisors (16097807767750).

20122112000090 is a wasteful number, since it uses less digits than its factorization.

20122112000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6564877.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 20122112000090 its reverse (9000021122102), we get a palindrome (29122133122192).

The spelling of 20122112000090 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, ninety", and thus it is an aban number.