210212100231019 has 4 divisors (see below), whose sum is σ = 221275894980040. Its totient is φ = 199148305482000.

The previous prime is 210212100230947. The next prime is 210212100231037. The reversal of 210212100231019 is 910132001212012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210212100231019 - 2²¹ = 210212098133867 is a prime.

It is a super-2 number, since 2×210212100231019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210212100230984 and 210212100231002.

It is not an unprimeable number, because it can be changed into a prime (210212100237019) 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, 5531897374482 + ... + 5531897374519.

It is an arithmetic number, because the mean of its divisors is an integer number (55318973745010).

Almost surely, 2^{210212100231019} is an apocalyptic number.

210212100231019 is a deficient number, since it is larger than the sum of its proper divisors (11063794749021).

210212100231019 is a wasteful number, since it uses less digits than its factorization.

210212100231019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063794749020.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 210212100231019 in words is "two hundred ten trillion, two hundred twelve billion, one hundred million, two hundred thirty-one thousand, nineteen".