22120001212013 has 32 divisors (see below), whose sum is σ = 23362225286400. Its totient is φ = 20902838432256.

The previous prime is 22120001211989. The next prime is 22120001212019. The reversal of 22120001212013 is 31021210002122.

It is a de Polignac number, because none of the positive numbers 2^k-22120001212013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120001211982 and 22120001212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120001212019) 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, 736998995 + ... + 737029007.

It is an arithmetic number, because the mean of its divisors is an integer number (730069540200).

Almost surely, 2^{22120001212013} is an apocalyptic number.

22120001212013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22120001212013 is a deficient number, since it is larger than the sum of its proper divisors (1242224074387).

22120001212013 is a wasteful number, since it uses less digits than its factorization.

22120001212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31301.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22120001212013 its reverse (31021210002122), we get a palindrome (53141211214135).

The spelling of 22120001212013 in words is "twenty-two trillion, one hundred twenty billion, one million, two hundred twelve thousand, thirteen".