1201660231234 has 16 divisors (see below), whose sum is σ = 1827224898048. Its totient is φ = 592585651872.

The previous prime is 1201660231183. The next prime is 1201660231243. The reversal of 1201660231234 is 4321320661021.

It is a super-2 number, since 2×1201660231234² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201660231196 and 1201660231205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9186639 + ... + 9316525.

It is an arithmetic number, because the mean of its divisors is an integer number (114201556128).

Almost surely, 2^{1201660231234} is an apocalyptic number.

1201660231234 is a deficient number, since it is larger than the sum of its proper divisors (625564666814).

1201660231234 is a wasteful number, since it uses less digits than its factorization.

1201660231234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193329.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1201660231234 its reverse (4321320661021), we get a palindrome (5522980892255).

The spelling of 1201660231234 in words is "one trillion, two hundred one billion, six hundred sixty million, two hundred thirty-one thousand, two hundred thirty-four".