1243208178130 has 32 divisors (see below), whose sum is σ = 2247022088640. Its totient is φ = 495228888000.

The previous prime is 1243208178119. The next prime is 1243208178137. The reversal of 1243208178130 is 318718023421.

It is not an unprimeable number, because it can be changed into a prime (1243208178137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18910156 + ... + 18975784.

It is an arithmetic number, because the mean of its divisors is an integer number (70219440270).

Almost surely, 2^{1243208178130} is an apocalyptic number.

1243208178130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243208178130 is a deficient number, since it is larger than the sum of its proper divisors (1003813910510).

1243208178130 is a wasteful number, since it uses less digits than its factorization.

1243208178130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73434.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 1243208178130 in words is "one trillion, two hundred forty-three billion, two hundred eight million, one hundred seventy-eight thousand, one hundred thirty".