120212121211110 has 48 divisors (see below), whose sum is σ = 312932211462000. Its totient is φ = 32017519880640.

The previous prime is 120212121211099. The next prime is 120212121211151. The reversal of 120212121211110 is 11112121212021.

It is a happy number.

120212121211110 is a `hidden beast` number, since 1 + 202 + 121 + 21 + 211 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 813379360 + ... + 813527139.

It is an arithmetic number, because the mean of its divisors is an integer number (6519421072125).

Almost surely, 2^{120212121211110} is an apocalyptic number.

120212121211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120212121211110 is an abundant number, since it is smaller than the sum of its proper divisors (192720090250890).

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

120212121211110 is a wasteful number, since it uses less digits than its factorization.

120212121211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626907333 (or 1626907330 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120212121211110 its reverse (11112121212021), we get a palindrome (131324242423131).

The spelling of 120212121211110 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred ten".