302012112040 has 64 divisors (see below), whose sum is σ = 703533600000. Its totient is φ = 116543857920.

The previous prime is 302012112007. The next prime is 302012112053. The reversal of 302012112040 is 40211210203.

It is a super-2 number, since 2×302012112040² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322211 + ... + 1533709.

It is an arithmetic number, because the mean of its divisors is an integer number (10992712500).

Almost surely, 2^302012112040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302012112040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351766800000).

302012112040 is an abundant number, since it is smaller than the sum of its proper divisors (401521487960).

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

302012112040 is a wasteful number, since it uses less digits than its factorization.

302012112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212770 (or 212766 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 302012112040 its reverse (40211210203), we get a palindrome (342223322243).

The spelling of 302012112040 in words is "three hundred two billion, twelve million, one hundred twelve thousand, forty".