1200213140 has 96 divisors (see below), whose sum is σ = 3109639680. Its totient is φ = 380007936.

The previous prime is 1200213127. The next prime is 1200213151. The reversal of 1200213140 is 413120021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86954 + ... + 99806.

It is an arithmetic number, because the mean of its divisors is an integer number (32392080).

Almost surely, 2^1200213140 is an apocalyptic number.

1200213140 is a gapful number since it is divisible by the number (10) 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 1200213140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554819840).

1200213140 is an abundant number, since it is smaller than the sum of its proper divisors (1909426540).

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

1200213140 is a wasteful number, since it uses less digits than its factorization.

1200213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921 (or 12919 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1200213140 is about 34644.0924256936. The cubic root of 1200213140 is about 1062.7214807490.

Adding to 1200213140 its reverse (413120021), we get a palindrome (1613333161).

The spelling of 1200213140 in words is "one billion, two hundred million, two hundred thirteen thousand, one hundred forty".