1022123131042 has 16 divisors (see below), whose sum is σ = 1653269115960. Its totient is φ = 471135670272.

The previous prime is 1022123131009. The next prime is 1022123131049. The reversal of 1022123131042 is 2401313212201.

1022123131042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 538916023881 + 483207107161 = 734109^2 + 695131^2 .

It is a super-2 number, since 2×1022123131042² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022123131049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25540753 + ... + 25580740.

Almost surely, 2^{1022123131042} is an apocalyptic number.

1022123131042 is a deficient number, since it is larger than the sum of its proper divisors (631145984918).

1022123131042 is a wasteful number, since it uses less digits than its factorization.

1022123131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51122277.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1022123131042 its reverse (2401313212201), we get a palindrome (3423436343243).

The spelling of 1022123131042 in words is "one trillion, twenty-two billion, one hundred twenty-three million, one hundred thirty-one thousand, forty-two".