1231012130010 has 128 divisors (see below), whose sum is σ = 3360709287936. Its totient is φ = 286423845120.

The previous prime is 1231012130003. The next prime is 1231012130027. The reversal of 1231012130010 is 100312101321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664092 + ... + 1703831.

It is an arithmetic number, because the mean of its divisors is an integer number (26255541312).

Almost surely, 2^{1231012130010} is an apocalyptic number.

1231012130010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231012130010 is an abundant number, since it is smaller than the sum of its proper divisors (2129697157926).

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

1231012130010 is a wasteful number, since it uses less digits than its factorization.

1231012130010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368020.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1231012130010 its reverse (100312101321), we get a palindrome (1331324231331).

The spelling of 1231012130010 in words is "one trillion, two hundred thirty-one billion, twelve million, one hundred thirty thousand, ten".