1230134100030 has 48 divisors (see below), whose sum is σ = 3489107631984. Its totient is φ = 298214327040.

The previous prime is 1230134100023. The next prime is 1230134100043. The reversal of 1230134100030 is 300014310321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230134099976 and 1230134100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 621278859 + ... + 621280838.

It is an arithmetic number, because the mean of its divisors is an integer number (72689742333).

Almost surely, 2^{1230134100030} is an apocalyptic number.

1230134100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230134100030 is an abundant number, since it is smaller than the sum of its proper divisors (2258973531954).

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

1230134100030 is a wasteful number, since it uses less digits than its factorization.

1230134100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242559721 (or 1242559718 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1230134100030 its reverse (300014310321), we get a palindrome (1530148410351).

The spelling of 1230134100030 in words is "one trillion, two hundred thirty billion, one hundred thirty-four million, one hundred thousand, thirty".