302030112131220 has 192 divisors, whose sum is σ = 931990869927936. Its totient is φ = 72472029073920.

The previous prime is 302030112131219. The next prime is 302030112131263. The reversal of 302030112131220 is 22131211030203.

It is a super-2 number, since 2×302030112131220² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133958262 + ... + 136194258.

It is an arithmetic number, because the mean of its divisors is an integer number (4854119114208).

Almost surely, 2^{302030112131220} is an apocalyptic number.

302030112131220 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 302030112131220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465995434963968).

302030112131220 is an abundant number, since it is smaller than the sum of its proper divisors (629960757796716).

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

302030112131220 is a wasteful number, since it uses less digits than its factorization.

302030112131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238110 (or 2238108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 302030112131220 its reverse (22131211030203), we get a palindrome (324161323161423).

The spelling of 302030112131220 in words is "three hundred two trillion, thirty billion, one hundred twelve million, one hundred thirty-one thousand, two hundred twenty".