1200211015 has 8 divisors (see below), whose sum is σ = 1443340080. Its totient is φ = 958110912.

The previous prime is 1200211007. The next prime is 1200211021. The reversal of 1200211015 is 5101120021.

1200211015 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1200211015 - 2³ = 1200211007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200210986 and 1200211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254670 + ... + 259339.

It is an arithmetic number, because the mean of its divisors is an integer number (180417510).

Almost surely, 2^1200211015 is an apocalyptic number.

1200211015 is a deficient number, since it is larger than the sum of its proper divisors (243129065).

1200211015 is an equidigital number, since it uses as much as digits as its factorization.

1200211015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514481.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1200211015 is about 34644.0617566705. The cubic root of 1200211015 is about 1062.7208535592.

Adding to 1200211015 its reverse (5101120021), we get a palindrome (6301331036).

The spelling of 1200211015 in words is "one billion, two hundred million, two hundred eleven thousand, fifteen".