1230123132210 has 64 divisors (see below), whose sum is σ = 3374847804672. Its totient is φ = 281104686336.

The previous prime is 1230123132181. The next prime is 1230123132239. The reversal of 1230123132210 is 122313210321.

It is an interprime number because it is at equal distance from previous prime (1230123132181) and next prime (1230123132239).

It is a super-2 number, since 2×1230123132210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 204472 + ... + 1581788.

It is an arithmetic number, because the mean of its divisors is an integer number (52731996948).

Almost surely, 2^{1230123132210} is an apocalyptic number.

1230123132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230123132210 is an abundant number, since it is smaller than the sum of its proper divisors (2144724672462).

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

1230123132210 is a wasteful number, since it uses less digits than its factorization.

1230123132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381587.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230123132210 its reverse (122313210321), we get a palindrome (1352436342531).

The spelling of 1230123132210 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred ten".