30141221240 has 64 divisors (see below), whose sum is σ = 76209940800. Its totient is φ = 10645189632.

The previous prime is 30141221239. The next prime is 30141221267. The reversal of 30141221240 is 4212214103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1248125 + ... + 1272044.

It is an arithmetic number, because the mean of its divisors is an integer number (1190780325).

Almost surely, 2^30141221240 is an apocalyptic number.

It is an amenable number.

30141221240 is an abundant number, since it is smaller than the sum of its proper divisors (46068719560).

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

30141221240 is a wasteful number, since it uses less digits than its factorization.

30141221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520216 (or 2520212 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30141221240 its reverse (4212214103), we get a palindrome (34353435343).

The spelling of 30141221240 in words is "thirty billion, one hundred forty-one million, two hundred twenty-one thousand, two hundred forty".