212002120313 has 4 divisors (see below), whose sum is σ = 212480680848. Its totient is φ = 211523559780.

The previous prime is 212002120283. The next prime is 212002120321. The reversal of 212002120313 is 313021200212.

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 212002120313 - 2⁶ = 212002120249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002120291 and 212002120300.

It is not an unprimeable number, because it can be changed into a prime (212002128313) 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, 239279603 + ... + 239280488.

It is an arithmetic number, because the mean of its divisors is an integer number (53120170212).

Almost surely, 2^212002120313 is an apocalyptic number.

It is an amenable number.

212002120313 is a deficient number, since it is larger than the sum of its proper divisors (478560535).

212002120313 is an equidigital number, since it uses as much as digits as its factorization.

212002120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478560534.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212002120313 its reverse (313021200212), we get a palindrome (525023320525).

The spelling of 212002120313 in words is "two hundred twelve billion, two million, one hundred twenty thousand, three hundred thirteen".