1200030021210 has 16 divisors (see below), whose sum is σ = 2880072050976. Its totient is φ = 320008005648.

The previous prime is 1200030021209. The next prime is 1200030021217. The reversal of 1200030021210 is 121200300021.

It is not an unprimeable number, because it can be changed into a prime (1200030021217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20000500324 + ... + 20000500383.

It is an arithmetic number, because the mean of its divisors is an integer number (180004503186).

Almost surely, 2^{1200030021210} is an apocalyptic number.

1200030021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200030021210 is an abundant number, since it is smaller than the sum of its proper divisors (1680042029766).

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

1200030021210 is a wasteful number, since it uses less digits than its factorization.

1200030021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40001000717.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1200030021210 its reverse (121200300021), we get a palindrome (1321230321231).

The spelling of 1200030021210 in words is "one trillion, two hundred billion, thirty million, twenty-one thousand, two hundred ten".