1232420134152 has 64 divisors (see below), whose sum is σ = 3085682503680. Its totient is φ = 410189389632.

The previous prime is 1232420134111. The next prime is 1232420134157. The reversal of 1232420134152 is 2514310242321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1232420134157) 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 15 ways as a sum of consecutive naturals, for example, 92887023 + ... + 92900289.

It is an arithmetic number, because the mean of its divisors is an integer number (48213789120).

Almost surely, 2^{1232420134152} is an apocalyptic number.

1232420134152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1232420134152 is an abundant number, since it is smaller than the sum of its proper divisors (1853262369528).

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

1232420134152 is a wasteful number, since it uses less digits than its factorization.

1232420134152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18802 (or 18798 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1232420134152 its reverse (2514310242321), we get a palindrome (3746730376473).

The spelling of 1232420134152 in words is "one trillion, two hundred thirty-two billion, four hundred twenty million, one hundred thirty-four thousand, one hundred fifty-two".