1211210000210 has 16 divisors (see below), whose sum is σ = 2491632000576. Its totient is φ = 415272000048.

The previous prime is 1211210000179. The next prime is 1211210000249. The reversal of 1211210000210 is 120000121121.

It is a junction number, because it is equal to n+sod(n) for n = 1211210000191 and 1211210000200.

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, 8651499932 + ... + 8651500071.

It is an arithmetic number, because the mean of its divisors is an integer number (155727000036).

Almost surely, 2^{1211210000210} is an apocalyptic number.

1211210000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211210000210 is an abundant number, since it is smaller than the sum of its proper divisors (1280422000366).

1211210000210 is a wasteful number, since it uses less digits than its factorization.

1211210000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17303000017.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1211210000210 its reverse (120000121121), we get a palindrome (1331210121331).

The spelling of 1211210000210 in words is "one trillion, two hundred eleven billion, two hundred ten million, two hundred ten", and thus it is an aban number.