212276394041 has 4 divisors (see below), whose sum is σ = 212917712784. Its totient is φ = 211635075300.

The previous prime is 212276394013. The next prime is 212276394101. The reversal of 212276394041 is 140493672212.

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 a cyclic number.

It is not a de Polignac number, because 212276394041 - 2¹⁴ = 212276377657 is a prime.

It is a super-2 number, since 2×212276394041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212276394041.

It is not an unprimeable number, because it can be changed into a prime (212276394541) 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, 320658875 + ... + 320659536.

It is an arithmetic number, because the mean of its divisors is an integer number (53229428196).

Almost surely, 2^212276394041 is an apocalyptic number.

It is an amenable number.

212276394041 is a deficient number, since it is larger than the sum of its proper divisors (641318743).

212276394041 is an equidigital number, since it uses as much as digits as its factorization.

212276394041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641318742.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 212276394041 in words is "two hundred twelve billion, two hundred seventy-six million, three hundred ninety-four thousand, forty-one".