1200213311 has 8 divisors (see below), whose sum is σ = 1386342864. Its totient is φ = 1026920320.

The previous prime is 1200213281. The next prime is 1200213319. The reversal of 1200213311 is 1133120021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200213311 - 2¹⁸ = 1199951167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200213319) 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, 3208940 + ... + 3209313.

It is an arithmetic number, because the mean of its divisors is an integer number (173292858).

Almost surely, 2^1200213311 is an apocalyptic number.

1200213311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200213311 is a deficient number, since it is larger than the sum of its proper divisors (186129553).

1200213311 is a wasteful number, since it uses less digits than its factorization.

1200213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6418281.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1200213311 is about 34644.0948936467. The cubic root of 1200213311 is about 1062.7215312193.

Adding to 1200213311 its reverse (1133120021), we get a palindrome (2333333332).

The spelling of 1200213311 in words is "one billion, two hundred million, two hundred thirteen thousand, three hundred eleven".