210022001200 has 60 divisors (see below), whose sum is σ = 550448583768. Its totient is φ = 76371635200.

The previous prime is 210022001197. The next prime is 210022001201. The reversal of 210022001200 is 2100220012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (210022001201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23861737 + ... + 23870536.

Almost surely, 2^210022001200 is an apocalyptic number.

210022001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210022001200 is an abundant number, since it is smaller than the sum of its proper divisors (340426582568).

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

210022001200 is a wasteful number, since it uses less digits than its factorization.

210022001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47732302 (or 47732291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210022001200 its reverse (2100220012), we get a palindrome (212122221212).

210022001200 divided by its reverse (2100220012) gives a square (100 = 10²).

It can be divided in two parts, 21002 and 2001200, that added together give a palindrome (2022202).

The spelling of 210022001200 in words is "two hundred ten billion, twenty-two million, one thousand, two hundred".