1812950202 has 32 divisors (see below), whose sum is σ = 4184924544. Its totient is φ = 512856000.

The previous prime is 1812950147. The next prime is 1812950207. The reversal of 1812950202 is 2020592181.

It is a self number, because there is not a number n which added to its sum of digits gives 1812950202.

It is not an unprimeable number, because it can be changed into a prime (1812950207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209449 + ... + 217932.

It is an arithmetic number, because the mean of its divisors is an integer number (130778892).

Almost surely, 2^1812950202 is an apocalyptic number.

1812950202 is an abundant number, since it is smaller than the sum of its proper divisors (2371974342).

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

1812950202 is a wasteful number, since it uses less digits than its factorization.

1812950202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427494.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1812950202 is about 42578.7529408742. The cubic root of 1812950202 is about 1219.3506806326.

The spelling of 1812950202 in words is "one billion, eight hundred twelve million, nine hundred fifty thousand, two hundred two".