1225095012 has 72 divisors (see below), whose sum is σ = 3202052672. Its totient is φ = 394632000.

The previous prime is 1225095007. The next prime is 1225095013. The reversal of 1225095012 is 2105905221.

It is not an unprimeable number, because it can be changed into a prime (1225095013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198087 + ... + 204177.

Almost surely, 2^1225095012 is an apocalyptic number.

1225095012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225095012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601026336).

1225095012 is an abundant number, since it is smaller than the sum of its proper divisors (1976957660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225095012 is a wasteful number, since it uses less digits than its factorization.

1225095012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289 (or 6284 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1225095012 is about 35001.3572879681. The cubic root of 1225095012 is about 1070.0151428841.

The spelling of 1225095012 in words is "one billion, two hundred twenty-five million, ninety-five thousand, twelve".