1210123000131 has 16 divisors (see below), whose sum is σ = 1615679328000. Its totient is φ = 805657956768.

The previous prime is 1210123000129. The next prime is 1210123000133. The reversal of 1210123000131 is 1310003210121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1210123000129) and next prime (1210123000133).

It is not a de Polignac number, because 1210123000131 - 2¹ = 1210123000129 is a prime.

It is a super-2 number, since 2×1210123000131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210123000131.

It is not an unprimeable number, because it can be changed into a prime (1210123000133) 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, 19085920 + ... + 19149218.

It is an arithmetic number, because the mean of its divisors is an integer number (100979958000).

Almost surely, 2^{1210123000131} is an apocalyptic number.

1210123000131 is a deficient number, since it is larger than the sum of its proper divisors (405556327869).

1210123000131 is an equidigital number, since it uses as much as digits as its factorization.

1210123000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71818.

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

Adding to 1210123000131 its reverse (1310003210121), we get a palindrome (2520126210252).

The spelling of 1210123000131 in words is "one trillion, two hundred ten billion, one hundred twenty-three million, one hundred thirty-one", and thus it is an aban number.