413212111002421 has 4 divisors (see below), whose sum is σ = 431177854959072. Its totient is φ = 395246367045772.

The previous prime is 413212111002401. The next prime is 413212111002479. The reversal of 413212111002421 is 124200111212314.

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 413212111002421 - 2²⁷ = 413211976784693 is a prime.

It is a super-2 number, since 2×413212111002421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413212111002401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8982871978291 + ... + 8982871978336.

It is an arithmetic number, because the mean of its divisors is an integer number (107794463739768).

Almost surely, 2^{413212111002421} is an apocalyptic number.

It is an amenable number.

413212111002421 is a deficient number, since it is larger than the sum of its proper divisors (17965743956651).

413212111002421 is a wasteful number, since it uses less digits than its factorization.

413212111002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17965743956650.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 413212111002421 its reverse (124200111212314), we get a palindrome (537412222214735).

The spelling of 413212111002421 in words is "four hundred thirteen trillion, two hundred twelve billion, one hundred eleven million, two thousand, four hundred twenty-one".