30012021343456 has 24 divisors (see below), whose sum is σ = 59152780567440. Its totient is φ = 14989092945408.

The previous prime is 30012021343361. The next prime is 30012021343457. The reversal of 30012021343456 is 65434312021003.

It is a happy number.

It is a super-2 number, since 2×30012021343456² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012021343457) 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, 528650121 + ... + 528706888.

It is an arithmetic number, because the mean of its divisors is an integer number (2464699190310).

Almost surely, 2^{30012021343456} is an apocalyptic number.

It is an amenable number.

30012021343456 is a deficient number, since it is larger than the sum of its proper divisors (29140759223984).

30012021343456 is a wasteful number, since it uses less digits than its factorization.

30012021343456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057357906 (or 1057357898 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 30012021343456 its reverse (65434312021003), we get a palindrome (95446333364459).

The spelling of 30012021343456 in words is "thirty trillion, twelve billion, twenty-one million, three hundred forty-three thousand, four hundred fifty-six".