2012020122222 has 64 divisors (see below), whose sum is σ = 4888069804800. Its totient is φ = 608397409440.

The previous prime is 2012020122131. The next prime is 2012020122223. The reversal of 2012020122222 is 2222210202102.

2012020122222 is a `hidden beast` number, since 201 + 20 + 201 + 22 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2012020122195 and 2012020122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012020122223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3349197 + ... + 3903992.

It is an arithmetic number, because the mean of its divisors is an integer number (76376090700).

Almost surely, 2^{2012020122222} is an apocalyptic number.

2012020122222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012020122222 is an abundant number, since it is smaller than the sum of its proper divisors (2876049682578).

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

2012020122222 is a wasteful number, since it uses less digits than its factorization.

2012020122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253678 (or 7253672 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2012020122222 its reverse (2222210202102), we get a palindrome (4234230324324).

The spelling of 2012020122222 in words is "two trillion, twelve billion, twenty million, one hundred twenty-two thousand, two hundred twenty-two".