120011212212210 has 192 divisors, whose sum is σ = 358777239425280. Its totient is φ = 27560390807040.

The previous prime is 120011212212193. The next prime is 120011212212217. The reversal of 120011212212210 is 12212212110021.

120011212212210 is a `hidden beast` number, since 1 + 20 + 0 + 11 + 212 + 212 + 210 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (120011212212217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37913454 + ... + 40956713.

It is an arithmetic number, because the mean of its divisors is an integer number (1868631455340).

Almost surely, 2^{120011212212210} is an apocalyptic number.

120011212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120011212212210 is an abundant number, since it is smaller than the sum of its proper divisors (238766027213070).

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

120011212212210 is a wasteful number, since it uses less digits than its factorization.

120011212212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78870273 (or 78870270 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120011212212210 its reverse (12212212110021), we get a palindrome (132223424322231).

The spelling of 120011212212210 in words is "one hundred twenty trillion, eleven billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".