141212604990681 has 81 divisors (see below), whose sum is σ = 238001964558111. Its totient is φ = 80446647814848.

The previous prime is 141212604990601. The next prime is 141212604990683. The reversal of 141212604990681 is 186099406212141.

The square root of 141212604990681 is 11883291.

It is a perfect power (a square), and thus also a powerful number.

141212604990681 is a `hidden beast` number, since 1 + 4 + 1 + 2 + 12 + 60 + 499 + 0 + 6 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114559753221081 + 26652851769600 = 10703259^2 + 5162640^2 .

It is not a de Polignac number, because 141212604990681 - 2²¹ = 141212602893529 is a prime.

It is a super-2 number, since 2×141212604990681² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141212604990683) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 109552059085 + ... + 109552060373.

Almost surely, 2^{141212604990681} is an apocalyptic number.

141212604990681 is the 11883291-st square number.

141212604990681 is the 5941646-th centered octagonal number.

It is an amenable number.

141212604990681 is a deficient number, since it is larger than the sum of its proper divisors (96789359567430).

141212604990681 is an frugal number, since it uses more digits than its factorization.

141212604990681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 141212604990681 in words is "one hundred forty-one trillion, two hundred twelve billion, six hundred four million, nine hundred ninety thousand, six hundred eighty-one".