20121013022 has 32 divisors (see below), whose sum is σ = 33332808960. Its totient is φ = 9032950080.

The previous prime is 20121012953. The next prime is 20121013037. The reversal of 20121013022 is 22031012102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20121012988 and 20121013006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888073 + ... + 1898699.

It is an arithmetic number, because the mean of its divisors is an integer number (1041650280).

Almost surely, 2^20121013022 is an apocalyptic number.

20121013022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121013022 is a deficient number, since it is larger than the sum of its proper divisors (13211795938).

20121013022 is a wasteful number, since it uses less digits than its factorization.

20121013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11696.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20121013022 its reverse (22031012102), we get a palindrome (42152025124).

The spelling of 20121013022 in words is "twenty billion, one hundred twenty-one million, thirteen thousand, twenty-two".