202001212051 has 2 divisors, whose sum is σ = 202001212052. Its totient is φ = 202001212050.

The previous prime is 202001212037. The next prime is 202001212129. The reversal of 202001212051 is 150212100202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202001212051 - 2¹¹ = 202001210003 is a prime.

It is not a weakly prime, because it can be changed into another prime (202001212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000606025 + 101000606026.

It is an arithmetic number, because the mean of its divisors is an integer number (101000606026).

Almost surely, 2^202001212051 is an apocalyptic number.

202001212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001212051 is an equidigital number, since it uses as much as digits as its factorization.

202001212051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 202001212051 its reverse (150212100202), we get a palindrome (352213312253).

The spelling of 202001212051 in words is "two hundred two billion, one million, two hundred twelve thousand, fifty-one".