1211514950 has 12 divisors (see below), whose sum is σ = 2253417900. Its totient is φ = 484605960.

The previous prime is 1211514929. The next prime is 1211514959. The reversal of 1211514950 is 594151121.

1211514950 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211514959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12115100 + ... + 12115199.

It is an arithmetic number, because the mean of its divisors is an integer number (187784825).

Almost surely, 2^1211514950 is an apocalyptic number.

1211514950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211514950 is a deficient number, since it is larger than the sum of its proper divisors (1041902950).

1211514950 is a wasteful number, since it uses less digits than its factorization.

1211514950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24230311 (or 24230306 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 29.

The square root of 1211514950 is about 34806.8233253194. The cubic root of 1211514950 is about 1066.0467714355.

The spelling of 1211514950 in words is "one billion, two hundred eleven million, five hundred fourteen thousand, nine hundred fifty".