1231420034022 has 16 divisors (see below), whose sum is σ = 2592463229760. Its totient is φ = 388869484392.

The previous prime is 1231420033957. The next prime is 1231420034029. The reversal of 1231420034022 is 2204300241321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231420033983 and 1231420034001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231420034029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400964948 + ... + 5400965175.

It is an arithmetic number, because the mean of its divisors is an integer number (162028951860).

Almost surely, 2^{1231420034022} is an apocalyptic number.

1231420034022 is an abundant number, since it is smaller than the sum of its proper divisors (1361043195738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231420034022 is a wasteful number, since it uses less digits than its factorization.

1231420034022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10801930147.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1231420034022 its reverse (2204300241321), we get a palindrome (3435720275343).

The spelling of 1231420034022 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, thirty-four thousand, twenty-two".