1232138126884 has 48 divisors (see below), whose sum is σ = 2571615648000. Its totient is φ = 505061415936.

The previous prime is 1232138126873. The next prime is 1232138126887. The reversal of 1232138126884 is 4886218312321.

It is not an unprimeable number, because it can be changed into a prime (1232138126887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9264892 + ... + 9396940.

It is an arithmetic number, because the mean of its divisors is an integer number (53575326000).

Almost surely, 2^{1232138126884} is an apocalyptic number.

1232138126884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1232138126884 is an abundant number, since it is smaller than the sum of its proper divisors (1339477521116).

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

1232138126884 is a wasteful number, since it uses less digits than its factorization.

1232138126884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146572 (or 146570 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The spelling of 1232138126884 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-eight million, one hundred twenty-six thousand, eight hundred eighty-four".