2412100412021 has 2 divisors, whose sum is σ = 2412100412022. Its totient is φ = 2412100412020.

The previous prime is 2412100411991. The next prime is 2412100412039. The reversal of 2412100412021 is 1202140012142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2283843315121 + 128257096900 = 1511239^2 + 358130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2412100412021 - 2¹⁰ = 2412100410997 is a prime.

It is a super-2 number, since 2×2412100412021² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2412100411984 and 2412100412002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2412100412081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1206050206010 + 1206050206011.

It is an arithmetic number, because the mean of its divisors is an integer number (1206050206011).

Almost surely, 2^{2412100412021} is an apocalyptic number.

It is an amenable number.

2412100412021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2412100412021 is an equidigital number, since it uses as much as digits as its factorization.

2412100412021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2412100412021 its reverse (1202140012142), we get a palindrome (3614240424163).

The spelling of 2412100412021 in words is "two trillion, four hundred twelve billion, one hundred million, four hundred twelve thousand, twenty-one".