302212012140 has 288 divisors, whose sum is σ = 962440629696. Its totient is φ = 76685875200.

The previous prime is 302212012139. The next prime is 302212012153. The reversal of 302212012140 is 41210212203.

It is a happy number.

302212012140 is a `hidden beast` number, since 30 + 221 + 201 + 214 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55828074 + ... + 55833486.

It is an arithmetic number, because the mean of its divisors is an integer number (3341807742).

Almost surely, 2^302212012140 is an apocalyptic number.

302212012140 is a gapful number since it is divisible by the number (30) 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 302212012140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481220314848).

302212012140 is an abundant number, since it is smaller than the sum of its proper divisors (660228617556).

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

302212012140 is a wasteful number, since it uses less digits than its factorization.

302212012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 302212012140 its reverse (41210212203), we get a palindrome (343422224343).

The spelling of 302212012140 in words is "three hundred two billion, two hundred twelve million, twelve thousand, one hundred forty".