1231420034024 has 32 divisors (see below), whose sum is σ = 2383553226240. Its totient is φ = 595808500800.

The previous prime is 1231420033957. The next prime is 1231420034029. The reversal of 1231420034024 is 4204300241321.

It is a junction number, because it is equal to n+sod(n) for n = 1231420033984 and 1231420034002.

It is not an unprimeable number, because it can be changed into a prime (1231420034029) 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, 3727982 + ... + 4044834.

It is an arithmetic number, because the mean of its divisors is an integer number (74486038320).

Almost surely, 2^{1231420034024} is an apocalyptic number.

It is an amenable number.

1231420034024 is a deficient number, since it is larger than the sum of its proper divisors (1152133192216).

1231420034024 is a wasteful number, since it uses less digits than its factorization.

1231420034024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332561 (or 332557 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1231420034024 its reverse (4204300241321), we get a palindrome (5435720275345).

The spelling of 1231420034024 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, thirty-four thousand, twenty-four".