1223120244031 has 32 divisors (see below), whose sum is σ = 1458821145600. Its totient is φ = 1003336615680.

The previous prime is 1223120243963. The next prime is 1223120244103. The reversal of 1223120244031 is 1304420213221.

It is not a de Polignac number, because 1223120244031 - 2²³ = 1223111855423 is a prime.

It is a super-2 number, since 2×1223120244031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223120243987 and 1223120244005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223120242031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11246691 + ... + 11354923.

It is an arithmetic number, because the mean of its divisors is an integer number (45588160800).

Almost surely, 2^{1223120244031} is an apocalyptic number.

1223120244031 is a deficient number, since it is larger than the sum of its proper divisors (235700901569).

1223120244031 is a wasteful number, since it uses less digits than its factorization.

1223120244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108759.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1223120244031 its reverse (1304420213221), we get a palindrome (2527540457252).

The spelling of 1223120244031 in words is "one trillion, two hundred twenty-three billion, one hundred twenty million, two hundred forty-four thousand, thirty-one".