1210212120200 has 24 divisors (see below), whose sum is σ = 2813743179930. Its totient is φ = 484084848000.

The previous prime is 1210212120179. The next prime is 1210212120217. The reversal of 1210212120200 is 20212120121.

It can be written as a sum of positive squares in 3 ways, for example, as 500921386564 + 709290733636 = 707758^2 + 842194^2 .

It is a super-2 number, since 2×1210212120200² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3025530101 + ... + 3025530500.

Almost surely, 2^{1210212120200} is an apocalyptic number.

1210212120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210212120200 is an abundant number, since it is smaller than the sum of its proper divisors (1603531059730).

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

1210212120200 is a wasteful number, since it uses less digits than its factorization.

1210212120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6051060617 (or 6051060608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1210212120200 its reverse (20212120121), we get a palindrome (1230424240321).

The spelling of 1210212120200 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred twenty thousand, two hundred".