2351122140399 has 16 divisors (see below), whose sum is σ = 3162787180800. Its totient is φ = 1553437823616.

The previous prime is 2351122140391. The next prime is 2351122140401. The reversal of 2351122140399 is 9930412211532.

It is a happy number.

It is not a de Polignac number, because 2351122140399 - 2³ = 2351122140391 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2351122140399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351122140391) 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 in 15 ways as a sum of consecutive naturals, for example, 4903062 + ... + 5361180.

It is an arithmetic number, because the mean of its divisors is an integer number (197674198800).

Almost surely, 2^{2351122140399} is an apocalyptic number.

2351122140399 is a deficient number, since it is larger than the sum of its proper divisors (811665040401).

2351122140399 is a wasteful number, since it uses less digits than its factorization.

2351122140399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473374.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 2351122140399 in words is "two trillion, three hundred fifty-one billion, one hundred twenty-two million, one hundred forty thousand, three hundred ninety-nine".