1012202052551 has 2 divisors, whose sum is σ = 1012202052552. Its totient is φ = 1012202052550.

The previous prime is 1012202052529. The next prime is 1012202052613. The reversal of 1012202052551 is 1552502022101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012202052551 - 2³⁰ = 1011128310727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012202052551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012222052551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506101026275 + 506101026276.

It is an arithmetic number, because the mean of its divisors is an integer number (506101026276).

Almost surely, 2^{1012202052551} is an apocalyptic number.

1012202052551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012202052551 is an equidigital number, since it uses as much as digits as its factorization.

1012202052551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 1012202052551 its reverse (1552502022101), we get a palindrome (2564704074652).

The spelling of 1012202052551 in words is "one trillion, twelve billion, two hundred two million, fifty-two thousand, five hundred fifty-one".