30102121302 has 192 divisors, whose sum is σ = 70355561472. Its totient is φ = 8568806400.

The previous prime is 30102121297. The next prime is 30102121337. The reversal of 30102121302 is 20312120103.

It is a super-2 number, since 2×30102121302² (a number of 22 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 95 ways as a sum of consecutive naturals, for example, 142663977 + ... + 142664187.

It is an arithmetic number, because the mean of its divisors is an integer number (366435216).

Almost surely, 2^30102121302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30102121302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35177780736).

30102121302 is an abundant number, since it is smaller than the sum of its proper divisors (40253440170).

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

30102121302 is a wasteful number, since it uses less digits than its factorization.

30102121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30102121302 its reverse (20312120103), we get a palindrome (50414241405).

The spelling of 30102121302 in words is "thirty billion, one hundred two million, one hundred twenty-one thousand, three hundred two".