30020231121210 has 192 divisors, whose sum is σ = 88540852308480. Its totient is φ = 6990270013440.

The previous prime is 30020231121163. The next prime is 30020231121211. The reversal of 30020231121210 is 1212113202003.

30020231121210 is a `hidden beast` number, since 30 + 0 + 202 + 311 + 2 + 121 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30020231121211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2832127 + ... + 8249933.

It is an arithmetic number, because the mean of its divisors is an integer number (461150272440).

Almost surely, 2^{30020231121210} is an apocalyptic number.

30020231121210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30020231121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44270426154240).

30020231121210 is an abundant number, since it is smaller than the sum of its proper divisors (58520621187270).

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

30020231121210 is a wasteful number, since it uses less digits than its factorization.

30020231121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418053 (or 5418050 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30020231121210 its reverse (1212113202003), we get a palindrome (31232344323213).

The spelling of 30020231121210 in words is "thirty trillion, twenty billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred ten".