1212624042141 has 4 divisors (see below), whose sum is σ = 1616832056192. Its totient is φ = 808416028092.

The previous prime is 1212624042137. The next prime is 1212624042193. The reversal of 1212624042141 is 1412404262121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1212624042141 - 2² = 1212624042137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212624042099 and 1212624042108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212624042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202104007021 + ... + 202104007026.

It is an arithmetic number, because the mean of its divisors is an integer number (404208014048).

Almost surely, 2^{1212624042141} is an apocalyptic number.

It is an amenable number.

1212624042141 is a deficient number, since it is larger than the sum of its proper divisors (404208014051).

1212624042141 is an equidigital number, since it uses as much as digits as its factorization.

1212624042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404208014050.

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 1212624042141 in words is "one trillion, two hundred twelve billion, six hundred twenty-four million, forty-two thousand, one hundred forty-one".