12220022101012 has 48 divisors (see below), whose sum is σ = 24704030292480. Its totient is φ = 5230700172000.

The previous prime is 12220022101003. The next prime is 12220022101121. The reversal of 12220022101012 is 21010122002221.

It is a happy number.

It is a congruent number.

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, 43624614 + ... + 43903837.

It is an arithmetic number, because the mean of its divisors is an integer number (514667297760).

Almost surely, 2^{12220022101012} is an apocalyptic number.

It is an amenable number.

12220022101012 is an abundant number, since it is smaller than the sum of its proper divisors (12484008191468).

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

12220022101012 is a wasteful number, since it uses less digits than its factorization.

12220022101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87528652 (or 87528650 counting only the distinct ones).

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

Adding to 12220022101012 its reverse (21010122002221), we get a palindrome (33230144103233).

The spelling of 12220022101012 in words is "twelve trillion, two hundred twenty billion, twenty-two million, one hundred one thousand, twelve".