1212231195 has 48 divisors (see below), whose sum is σ = 2403827712. Its totient is φ = 553596480.

The previous prime is 1212231151. The next prime is 1212231199. The reversal of 1212231195 is 5911322121.

It is not a de Polignac number, because 1212231195 - 2⁹ = 1212230683 is a prime.

It is a super-2 number, since 2×1212231195² = 2939008940262256050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212231199) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 573190 + ... + 575300.

It is an arithmetic number, because the mean of its divisors is an integer number (50079744).

Almost surely, 2^1212231195 is an apocalyptic number.

1212231195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1212231195 is a deficient number, since it is larger than the sum of its proper divisors (1191596517).

1212231195 is a wasteful number, since it uses less digits than its factorization.

1212231195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3949 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1212231195 is about 34817.1106641548. The cubic root of 1212231195 is about 1066.2568115591.

The spelling of 1212231195 in words is "one billion, two hundred twelve million, two hundred thirty-one thousand, one hundred ninety-five".