445212134201 has 4 divisors (see below), whose sum is σ = 445214795904. Its totient is φ = 445209472500.

The previous prime is 445212134167. The next prime is 445212134221. The reversal of 445212134201 is 102431212544.

It is a happy number.

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 445212134201 - 2¹⁸ = 445211872057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445212134221) 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, 1061825 + ... + 1420526.

It is an arithmetic number, because the mean of its divisors is an integer number (111303698976).

Almost surely, 2^445212134201 is an apocalyptic number.

It is an amenable number.

445212134201 is a deficient number, since it is larger than the sum of its proper divisors (2661703).

445212134201 is a wasteful number, since it uses less digits than its factorization.

445212134201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661702.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 445212134201 its reverse (102431212544), we get a palindrome (547643346745).

The spelling of 445212134201 in words is "four hundred forty-five billion, two hundred twelve million, one hundred thirty-four thousand, two hundred one".