120200202212021 has 4 divisors (see below), whose sum is σ = 120202631480844. Its totient is φ = 120197772943200.

The previous prime is 120200202211951. The next prime is 120200202212033. The reversal of 120200202212021 is 120212202002021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61906824511921 + 58293377700100 = 7868089^2 + 7635010^2 .

It is a cyclic number.

It is not a de Polignac number, because 120200202212021 - 2³⁸ = 119925324305077 is a prime.

It is a super-2 number, since 2×120200202212021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200202212081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214560190 + ... + 1214659151.

It is an arithmetic number, because the mean of its divisors is an integer number (30050657870211).

Almost surely, 2^{120200202212021} is an apocalyptic number.

It is an amenable number.

120200202212021 is a deficient number, since it is larger than the sum of its proper divisors (2429268823).

120200202212021 is an equidigital number, since it uses as much as digits as its factorization.

120200202212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429268822.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120200202212021 its reverse (120212202002021), we get a palindrome (240412404214042).

The spelling of 120200202212021 in words is "one hundred twenty trillion, two hundred billion, two hundred two million, two hundred twelve thousand, twenty-one".