211210220210012 has 24 divisors (see below), whose sum is σ = 370688974992000. Its totient is φ = 105299094201200.

The previous prime is 211210220209981. The next prime is 211210220210027. The reversal of 211210220210012 is 210012022012112.

It is a super-2 number, since 2×211210220210012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88277489 + ... + 90638487.

It is an arithmetic number, because the mean of its divisors is an integer number (15445373958000).

Almost surely, 2^{211210220210012} is an apocalyptic number.

It is an amenable number.

211210220210012 is a deficient number, since it is larger than the sum of its proper divisors (159478754781988).

211210220210012 is a wasteful number, since it uses less digits than its factorization.

211210220210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425801 (or 2425799 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211210220210012 its reverse (210012022012112), we get a palindrome (421222242222124).

The spelling of 211210220210012 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty million, two hundred ten thousand, twelve".