34201221420520 has 128 divisors (see below), whose sum is σ = 96360047366400. Its totient is φ = 10613569996800.

The previous prime is 34201221420481. The next prime is 34201221420539. The reversal of 34201221420520 is 2502412210243.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23539861 + ... + 24950500.

It is an arithmetic number, because the mean of its divisors is an integer number (752812870050).

Almost surely, 2^{34201221420520} is an apocalyptic number.

It is an amenable number.

34201221420520 is an abundant number, since it is smaller than the sum of its proper divisors (62158825945880).

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

34201221420520 is a wasteful number, since it uses less digits than its factorization.

34201221420520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48490619 (or 48490615 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 34201221420520 its reverse (2502412210243), we get a palindrome (36703633630763).

The spelling of 34201221420520 in words is "thirty-four trillion, two hundred one billion, two hundred twenty-one million, four hundred twenty thousand, five hundred twenty".