122312143400135 has 16 divisors (see below), whose sum is σ = 158084640670656. Its totient is φ = 90311546792448.

The previous prime is 122312143400131. The next prime is 122312143400137. The reversal of 122312143400135 is 531004341213221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122312143400135 - 2² = 122312143400131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312143400131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116837339 + ... + 117879548.

It is an arithmetic number, because the mean of its divisors is an integer number (9880290041916).

Almost surely, 2^{122312143400135} is an apocalyptic number.

122312143400135 is a deficient number, since it is larger than the sum of its proper divisors (35772497270521).

122312143400135 is a wasteful number, since it uses less digits than its factorization.

122312143400135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234724922.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 122312143400135 its reverse (531004341213221), we get a palindrome (653316484613356).

The spelling of 122312143400135 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred thousand, one hundred thirty-five".