1802238012 has 60 divisors (see below), whose sum is σ = 4715459056. Its totient is φ = 600229440.

The previous prime is 1802237947. The next prime is 1802238029. The reversal of 1802238012 is 2108322081.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 644337 + ... + 647127.

Almost surely, 2^1802238012 is an apocalyptic number.

1802238012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1802238012 is an abundant number, since it is smaller than the sum of its proper divisors (2913221044).

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

1802238012 is a wasteful number, since it uses less digits than its factorization.

1802238012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800 (or 4789 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1802238012 is about 42452.7739023023. The cubic root of 1802238012 is about 1216.9443399843.

The spelling of 1802238012 in words is "one billion, eight hundred two million, two hundred thirty-eight thousand, twelve".