2122100022012 has 48 divisors (see below), whose sum is σ = 5138469372960. Its totient is φ = 680820189952.

The previous prime is 2122100021971. The next prime is 2122100022047. The reversal of 2122100022012 is 2102200012212.

It is a junction number, because it is equal to n+sod(n) for n = 2122100021982 and 2122100022000.

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, 9507963 + ... + 9728594.

It is an arithmetic number, because the mean of its divisors is an integer number (107051445270).

Almost surely, 2^{2122100022012} is an apocalyptic number.

It is an amenable number.

2122100022012 is an abundant number, since it is smaller than the sum of its proper divisors (3016369350948).

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

2122100022012 is a wasteful number, since it uses less digits than its factorization.

2122100022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19236910 (or 19236908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122100022012 its reverse (2102200012212), we get a palindrome (4224300034224).

The spelling of 2122100022012 in words is "two trillion, one hundred twenty-two billion, one hundred million, twenty-two thousand, twelve".