22012012120229 has 2 divisors, whose sum is σ = 22012012120230. Its totient is φ = 22012012120228.

The previous prime is 22012012120169. The next prime is 22012012120237. The reversal of 22012012120229 is 92202121021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15361147648900 + 6650864471329 = 3919330^2 + 2578927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012012120229 is a prime.

It is a super-2 number, since 2×22012012120229² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012012120198 and 22012012120207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012012120279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006006060114 + 11006006060115.

It is an arithmetic number, because the mean of its divisors is an integer number (11006006060115).

Almost surely, 2^{22012012120229} is an apocalyptic number.

It is an amenable number.

22012012120229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012012120229 is an equidigital number, since it uses as much as digits as its factorization.

22012012120229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22012012120229 in words is "twenty-two trillion, twelve billion, twelve million, one hundred twenty thousand, two hundred twenty-nine".