200012101421220 has 288 divisors, whose sum is σ = 737674805911680. Its totient is φ = 43233687982080.

The previous prime is 200012101421179. The next prime is 200012101421227. The reversal of 200012101421220 is 22124101210002.

200012101421220 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 1 + 21 + 0 + 1 + 421 + 220 = 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 = 200012101421193 and 200012101421202.

It is not an unprimeable number, because it can be changed into a prime (200012101421227) 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, 155732307 + ... + 157011386.

It is an arithmetic number, because the mean of its divisors is an integer number (2561370853860).

Almost surely, 2^{200012101421220} is an apocalyptic number.

200012101421220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012101421220 is an abundant number, since it is smaller than the sum of its proper divisors (537662704490460).

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

200012101421220 is a wasteful number, since it uses less digits than its factorization.

200012101421220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312743755 (or 312743750 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200012101421220 its reverse (22124101210002), we get a palindrome (222136202631222).

The spelling of 200012101421220 in words is "two hundred trillion, twelve billion, one hundred one million, four hundred twenty-one thousand, two hundred twenty".