1200213113220 has 144 divisors (see below), whose sum is σ = 3972081335040. Its totient is φ = 290926540800.

The previous prime is 1200213113219. The next prime is 1200213113257. The reversal of 1200213113220 is 223113120021.

1200213113220 is a `hidden beast` number, since 12 + 0 + 0 + 21 + 311 + 322 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1200213113193 and 1200213113202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19513876 + ... + 19575284.

It is an arithmetic number, because the mean of its divisors is an integer number (27583898160).

Almost surely, 2^{1200213113220} is an apocalyptic number.

1200213113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200213113220 is an abundant number, since it is smaller than the sum of its proper divisors (2771868221820).

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

1200213113220 is a wasteful number, since it uses less digits than its factorization.

1200213113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71306 (or 71301 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200213113220 its reverse (223113120021), we get a palindrome (1423326233241).

The spelling of 1200213113220 in words is "one trillion, two hundred billion, two hundred thirteen million, one hundred thirteen thousand, two hundred twenty".