141212031561 has 16 divisors (see below), whose sum is σ = 209232025920. Its totient is φ = 94128297120.

The previous prime is 141212031533. The next prime is 141212031607. The reversal of 141212031561 is 165130212141.

It is not a de Polignac number, because 141212031561 - 2⁵ = 141212031529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (141212031061) 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, 162420 + ... + 555701.

It is an arithmetic number, because the mean of its divisors is an integer number (13077001620).

Almost surely, 2^141212031561 is an apocalyptic number.

It is an amenable number.

141212031561 is a deficient number, since it is larger than the sum of its proper divisors (68019994359).

141212031561 is an equidigital number, since it uses as much as digits as its factorization.

141212031561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725413 (or 725407 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 141212031561 in words is "one hundred forty-one billion, two hundred twelve million, thirty-one thousand, five hundred sixty-one".