1212210200112 has 120 divisors (see below), whose sum is σ = 3419003870640. Its totient is φ = 369602956800.

The previous prime is 1212210200101. The next prime is 1212210200119. The reversal of 1212210200112 is 2110020122121.

It is a junction number, because it is equal to n+sod(n) for n = 1212210200091 and 1212210200100.

It is not an unprimeable number, because it can be changed into a prime (1212210200119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703639 + ... + 1708662.

It is an arithmetic number, because the mean of its divisors is an integer number (28491698922).

Almost surely, 2^{1212210200112} is an apocalyptic number.

1212210200112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212210200112 is an abundant number, since it is smaller than the sum of its proper divisors (2206793670528).

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

1212210200112 is a wasteful number, since it uses less digits than its factorization.

1212210200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412379 (or 2412354 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212210200112 its reverse (2110020122121), we get a palindrome (3322230322233).

The spelling of 1212210200112 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, one hundred twelve".