1231122021062 has 16 divisors (see below), whose sum is σ = 1927015647840. Its totient is φ = 588784639872.

The previous prime is 1231122021061. The next prime is 1231122021097. The reversal of 1231122021062 is 2601202211321.

It is a super-2 number, since 2×1231122021062² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231122021061) 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, 2038988 + ... + 2572880.

It is an arithmetic number, because the mean of its divisors is an integer number (120438477990).

Almost surely, 2^{1231122021062} is an apocalyptic number.

1231122021062 is a deficient number, since it is larger than the sum of its proper divisors (695893626778).

1231122021062 is a wasteful number, since it uses less digits than its factorization.

1231122021062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584047.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1231122021062 its reverse (2601202211321), we get a palindrome (3832324232383).

The spelling of 1231122021062 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-two million, twenty-one thousand, sixty-two".