1230122013431 has 16 divisors (see below), whose sum is σ = 1261369454400. Its totient is φ = 1199305094400.

The previous prime is 1230122013413. The next prime is 1230122013437. The reversal of 1230122013431 is 1343102210321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230122013431 is a prime.

It is a super-2 number, since 2×1230122013431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230122013397 and 1230122013406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230122013437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783011 + ... + 4095291.

It is an arithmetic number, because the mean of its divisors is an integer number (78835590900).

Almost surely, 2^{1230122013431} is an apocalyptic number.

1230122013431 is a deficient number, since it is larger than the sum of its proper divisors (31247440969).

1230122013431 is a wasteful number, since it uses less digits than its factorization.

1230122013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312970.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1230122013431 its reverse (1343102210321), we get a palindrome (2573224223752).

The spelling of 1230122013431 in words is "one trillion, two hundred thirty billion, one hundred twenty-two million, thirteen thousand, four hundred thirty-one".