120212222199989 has 2 divisors, whose sum is σ = 120212222199990. Its totient is φ = 120212222199988.

The previous prime is 120212222199959. The next prime is 120212222200003. The reversal of 120212222199989 is 989991222212021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64712210472100 + 55500011727889 = 8044390^2 + 7449833^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212222199989 - 2³⁶ = 120143502723253 is a prime.

It is a super-2 number, since 2×120212222199989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212222199959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106111099994 + 60106111099995.

It is an arithmetic number, because the mean of its divisors is an integer number (60106111099995).

Almost surely, 2^{120212222199989} is an apocalyptic number.

It is an amenable number.

120212222199989 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212222199989 is an equidigital number, since it uses as much as digits as its factorization.

120212222199989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 59.

The spelling of 120212222199989 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred eighty-nine".