30002121112 has 16 divisors (see below), whose sum is σ = 56410678800. Its totient is φ = 14959273440.

The previous prime is 30002121109. The next prime is 30002121119. The reversal of 30002121112 is 21112120003.

It is a super-2 number, since 2×30002121112² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30002121092 and 30002121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002121119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5220339 + ... + 5226082.

It is an arithmetic number, because the mean of its divisors is an integer number (3525667425).

Almost surely, 2^30002121112 is an apocalyptic number.

It is an amenable number.

30002121112 is a deficient number, since it is larger than the sum of its proper divisors (26408557688).

30002121112 is a wasteful number, since it uses less digits than its factorization.

30002121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446786 (or 10446782 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30002121112 its reverse (21112120003), we get a palindrome (51114241115).

The spelling of 30002121112 in words is "thirty billion, two million, one hundred twenty-one thousand, one hundred twelve".