1212950193 has 16 divisors (see below), whose sum is σ = 1990482816. Its totient is φ = 639797760.

The previous prime is 1212950171. The next prime is 1212950213. The reversal of 1212950193 is 3910592121.

It is not a de Polignac number, because 1212950193 - 2⁵ = 1212950161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212950293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221248 + ... + 2221793.

It is an arithmetic number, because the mean of its divisors is an integer number (124405176).

Almost surely, 2^1212950193 is an apocalyptic number.

1212950193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1212950193 is a deficient number, since it is larger than the sum of its proper divisors (777532623).

1212950193 is a wasteful number, since it uses less digits than its factorization.

1212950193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443064.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 1212950193 is about 34827.4344877713. The cubic root of 1212950193 is about 1066.4675758090.

The spelling of 1212950193 in words is "one billion, two hundred twelve million, nine hundred fifty thousand, one hundred ninety-three".