1200210984 has 96 divisors (see below), whose sum is σ = 3731520000. Its totient is φ = 341387136.

The previous prime is 1200210983. The next prime is 1200211003. The reversal of 1200210984 is 4890120021.

It is a super-2 number, since 2×1200210984² = 2881012812228496512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200210983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110217 + ... + 120615.

It is an arithmetic number, because the mean of its divisors is an integer number (38870000).

Almost surely, 2^1200210984 is an apocalyptic number.

1200210984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200210984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865760000).

1200210984 is an abundant number, since it is smaller than the sum of its proper divisors (2531309016).

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

1200210984 is a wasteful number, since it uses less digits than its factorization.

1200210984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10640 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1200210984 is about 34644.0613092634. The cubic root of 1200210984 is about 1062.7208444096.

The spelling of 1200210984 in words is "one billion, two hundred million, two hundred ten thousand, nine hundred eighty-four".