30133121202 has 48 divisors (see below), whose sum is σ = 67902018912. Its totient is φ = 10015371360.

The previous prime is 30133121191. The next prime is 30133121209. The reversal of 30133121202 is 20212133103.

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 (30133121209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79302 + ... + 257982.

It is an arithmetic number, because the mean of its divisors is an integer number (1414625394).

Almost surely, 2^30133121202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30133121202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33951009456).

30133121202 is an abundant number, since it is smaller than the sum of its proper divisors (37768897710).

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

30133121202 is a wasteful number, since it uses less digits than its factorization.

30133121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179045 (or 179033 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30133121202 its reverse (20212133103), we get a palindrome (50345254305).

The spelling of 30133121202 in words is "thirty billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred two".