1212210011110 has 32 divisors (see below), whose sum is σ = 2497852339200. Its totient is φ = 414920998752.

The previous prime is 1212210011101. The next prime is 1212210011141. The reversal of 1212210011110 is 111100122121.

It is a happy number.

It is a super-2 number, since 2×1212210011110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14413234 + ... + 14497093.

It is an arithmetic number, because the mean of its divisors is an integer number (78057885600).

Almost surely, 2^{1212210011110} is an apocalyptic number.

1212210011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212210011110 is an abundant number, since it is smaller than the sum of its proper divisors (1285642328090).

1212210011110 is a wasteful number, since it uses less digits than its factorization.

1212210011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28910940.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1212210011110 its reverse (111100122121), we get a palindrome (1323310133231).

The spelling of 1212210011110 in words is "one trillion, two hundred twelve billion, two hundred ten million, eleven thousand, one hundred ten".