401252012351 has 2 divisors, whose sum is σ = 401252012352. Its totient is φ = 401252012350.

The previous prime is 401252012339. The next prime is 401252012377. The reversal of 401252012351 is 153210252104.

It is an a-pointer prime, because the next prime (401252012377) can be obtained adding 401252012351 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401252012351 - 2²⁶ = 401184903487 is a prime.

It is a super-2 number, since 2×401252012351² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401252012351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401252012851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200626006175 + 200626006176.

It is an arithmetic number, because the mean of its divisors is an integer number (200626006176).

Almost surely, 2^401252012351 is an apocalyptic number.

401252012351 is a deficient number, since it is larger than the sum of its proper divisors (1).

401252012351 is an equidigital number, since it uses as much as digits as its factorization.

401252012351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 401252012351 its reverse (153210252104), we get a palindrome (554462264455).

The spelling of 401252012351 in words is "four hundred one billion, two hundred fifty-two million, twelve thousand, three hundred fifty-one".