1231202233130 has 8 divisors (see below), whose sum is σ = 2216164019652. Its totient is φ = 492480893248.

The previous prime is 1231202233103. The next prime is 1231202233229. The reversal of 1231202233130 is 313322021321.

It can be written as a sum of positive squares in 2 ways, for example, as 1212714120289 + 18488112841 = 1101233^2 + 135971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1231202233096 and 1231202233105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61560111647 + ... + 61560111666.

Almost surely, 2^{1231202233130} is an apocalyptic number.

1231202233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231202233130 is a deficient number, since it is larger than the sum of its proper divisors (984961786522).

1231202233130 is a wasteful number, since it uses less digits than its factorization.

1231202233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123120223320.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1231202233130 its reverse (313322021321), we get a palindrome (1544524254451).

The spelling of 1231202233130 in words is "one trillion, two hundred thirty-one billion, two hundred two million, two hundred thirty-three thousand, one hundred thirty".