97900212001 has 4 divisors (see below), whose sum is σ = 97907965632. Its totient is φ = 97892458372.

The previous prime is 97900211999. The next prime is 97900212013. The reversal of 97900212001 is 10021200979.

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 97900212001 - 2¹ = 97900211999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97900213001) 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, 3857845 + ... + 3883138.

It is an arithmetic number, because the mean of its divisors is an integer number (24476991408).

Almost surely, 2^97900212001 is an apocalyptic number.

It is an amenable number.

97900212001 is a deficient number, since it is larger than the sum of its proper divisors (7753631).

97900212001 is a wasteful number, since it uses less digits than its factorization.

97900212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7753630.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 97900212001 in words is "ninety-seven billion, nine hundred million, two hundred twelve thousand, one".