212001102997 has 4 divisors (see below), whose sum is σ = 212030956800. Its totient is φ = 211971249196.

The previous prime is 212001102977. The next prime is 212001103009. The reversal of 212001102997 is 799201100212.

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 a de Polignac number, because none of the positive numbers 2^k-212001102997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001102977) 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, 14916247 + ... + 14930452.

It is an arithmetic number, because the mean of its divisors is an integer number (53007739200).

Almost surely, 2^212001102997 is an apocalyptic number.

It is an amenable number.

212001102997 is a deficient number, since it is larger than the sum of its proper divisors (29853803).

212001102997 is an equidigital number, since it uses as much as digits as its factorization.

212001102997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29853802.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 212001102997 in words is "two hundred twelve billion, one million, one hundred two thousand, nine hundred ninety-seven".