75112212001 has 4 divisors (see below), whose sum is σ = 76385300400. Its totient is φ = 73839123604.

The previous prime is 75112211983. The next prime is 75112212013. The reversal of 75112212001 is 10021221157.

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 75112212001 - 2²⁵ = 75078657569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75112212041) 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, 636544111 + ... + 636544228.

It is an arithmetic number, because the mean of its divisors is an integer number (19096325100).

Almost surely, 2^75112212001 is an apocalyptic number.

It is an amenable number.

75112212001 is a deficient number, since it is larger than the sum of its proper divisors (1273088399).

75112212001 is a wasteful number, since it uses less digits than its factorization.

75112212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273088398.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 75112212001 its reverse (10021221157), we get a palindrome (85133433158).

The spelling of 75112212001 in words is "seventy-five billion, one hundred twelve million, two hundred twelve thousand, one".