20122210012 has 12 divisors (see below), whose sum is σ = 35216450640. Its totient is φ = 10060366976.

The previous prime is 20122210007. The next prime is 20122210027. The reversal of 20122210012 is 21001222102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122209974 and 20122210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120712 + ... + 234127.

It is an arithmetic number, because the mean of its divisors is an integer number (2934704220).

Almost surely, 2^20122210012 is an apocalyptic number.

It is an amenable number.

20122210012 is a deficient number, since it is larger than the sum of its proper divisors (15094240628).

20122210012 is a wasteful number, since it uses less digits than its factorization.

20122210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369020 (or 369018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122210012 its reverse (21001222102), we get a palindrome (41123432114).

The spelling of 20122210012 in words is "twenty billion, one hundred twenty-two million, two hundred ten thousand, twelve".