1210211210200 has 48 divisors (see below), whose sum is σ = 2841058986480. Its totient is φ = 479384626560.

The previous prime is 1210211210183. The next prime is 1210211210279. The reversal of 1210211210200 is 20121120121.

It is a super-2 number, since 2×1210211210200² (a number of 25 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 11 ways as a sum of consecutive naturals, for example, 29353459 + ... + 29394658.

It is an arithmetic number, because the mean of its divisors is an integer number (59188728885).

Almost surely, 2^{1210211210200} is an apocalyptic number.

1210211210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210211210200 is an abundant number, since it is smaller than the sum of its proper divisors (1630847776280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210211210200 is a wasteful number, since it uses less digits than its factorization.

1210211210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58748236 (or 58748227 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210211210200 its reverse (20121120121), we get a palindrome (1230332330321).

The spelling of 1210211210200 in words is "one trillion, two hundred ten billion, two hundred eleven million, two hundred ten thousand, two hundred".