2351122140407 has 2 divisors, whose sum is σ = 2351122140408. Its totient is φ = 2351122140406.

The previous prime is 2351122140401. The next prime is 2351122140461. The reversal of 2351122140407 is 7040412211532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2351122140407 - 2⁴ = 2351122140391 is a prime.

It is a super-2 number, since 2×2351122140407² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351122140401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175561070203 + 1175561070204.

It is an arithmetic number, because the mean of its divisors is an integer number (1175561070204).

Almost surely, 2^{2351122140407} is an apocalyptic number.

2351122140407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351122140407 is an equidigital number, since it uses as much as digits as its factorization.

2351122140407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 2351122140407 its reverse (7040412211532), we get a palindrome (9391534351939).

The spelling of 2351122140407 in words is "two trillion, three hundred fifty-one billion, one hundred twenty-two million, one hundred forty thousand, four hundred seven".