120421200037 has 2 divisors, whose sum is σ = 120421200038. Its totient is φ = 120421200036.

The previous prime is 120421199939. The next prime is 120421200047. The reversal of 120421200037 is 730002124021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113578436196 + 6842763841 = 337014^2 + 82721^2 .

It is a cyclic number.

It is not a de Polignac number, because 120421200037 - 2⁷ = 120421199909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120421199990 and 120421200017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120421200047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210600018 + 60210600019.

It is an arithmetic number, because the mean of its divisors is an integer number (60210600019).

Almost surely, 2^120421200037 is an apocalyptic number.

It is an amenable number.

120421200037 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421200037 is an equidigital number, since it uses as much as digits as its factorization.

120421200037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 120421200037 its reverse (730002124021), we get a palindrome (850423324058).

The spelling of 120421200037 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred thousand, thirty-seven".