210012020191 has 8 divisors (see below), whose sum is σ = 214019339184. Its totient is φ = 206006361600.

The previous prime is 210012020173. The next prime is 210012020219. The reversal of 210012020191 is 191020210012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210012020191 - 2¹³ = 210012011999 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 (210012020291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158221 + ... + 667126.

It is an arithmetic number, because the mean of its divisors is an integer number (26752417398).

Almost surely, 2^210012020191 is an apocalyptic number.

210012020191 is a deficient number, since it is larger than the sum of its proper divisors (4007318993).

210012020191 is an equidigital number, since it uses as much as digits as its factorization.

210012020191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830201.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 210012020191 in words is "two hundred ten billion, twelve million, twenty thousand, one hundred ninety-one".