30121211350 has 48 divisors (see below), whose sum is σ = 57234100176. Its totient is φ = 11790576000.

The previous prime is 30121211297. The next prime is 30121211359. The reversal of 30121211350 is 5311212103.

It is a super-4 number, since 4×30121211350⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121211359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575785 + ... + 625915.

It is an arithmetic number, because the mean of its divisors is an integer number (1192377087).

Almost surely, 2^30121211350 is an apocalyptic number.

30121211350 is a deficient number, since it is larger than the sum of its proper divisors (27112888826).

30121211350 is a wasteful number, since it uses less digits than its factorization.

30121211350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50401 (or 50396 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 30121211350 its reverse (5311212103), we get a palindrome (35432423453).

The spelling of 30121211350 in words is "thirty billion, one hundred twenty-one million, two hundred eleven thousand, three hundred fifty".