30620052262212 has 192 divisors, whose sum is σ = 86763233120256. Its totient is φ = 8204777902080.

The previous prime is 30620052262157. The next prime is 30620052262213. The reversal of 30620052262212 is 21226225002603.

It is not an unprimeable number, because it can be changed into a prime (30620052262213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1953923137 + ... + 1953938807.

It is an arithmetic number, because the mean of its divisors is an integer number (451891839168).

Almost surely, 2^{30620052262212} 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 30620052262212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43381616560128).

30620052262212 is an abundant number, since it is smaller than the sum of its proper divisors (56143180858044).

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

30620052262212 is a wasteful number, since it uses less digits than its factorization.

30620052262212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20466 (or 20464 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 30620052262212 its reverse (21226225002603), we get a palindrome (51846277264815).

The spelling of 30620052262212 in words is "thirty trillion, six hundred twenty billion, fifty-two million, two hundred sixty-two thousand, two hundred twelve".