1200211022010 has 384 divisors, whose sum is σ = 4043016923904. Its totient is φ = 223986954240.

The previous prime is 1200211022009. The next prime is 1200211022033. The reversal of 1200211022010 is 102201120021.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7700614 + ... + 7854926.

It is an arithmetic number, because the mean of its divisors is an integer number (10528689906).

Almost surely, 2^{1200211022010} is an apocalyptic number.

1200211022010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200211022010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021508461952).

1200211022010 is an abundant number, since it is smaller than the sum of its proper divisors (2842805901894).

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

1200211022010 is a wasteful number, since it uses less digits than its factorization.

1200211022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154398 (or 154391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200211022010 its reverse (102201120021), we get a palindrome (1302412142031).

The spelling of 1200211022010 in words is "one trillion, two hundred billion, two hundred eleven million, twenty-two thousand, ten".