34121131203420 has 144 divisors (see below), whose sum is σ = 103564052111520. Its totient is φ = 9093406468608.

The previous prime is 34121131203409. The next prime is 34121131203443. The reversal of 34121131203420 is 2430213112143.

34121131203420 is a `hidden beast` number, since 3 + 4 + 1 + 2 + 1 + 1 + 31 + 203 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3615670942 + ... + 3615680378.

It is an arithmetic number, because the mean of its divisors is an integer number (719194806330).

Almost surely, 2^{34121131203420} is an apocalyptic number.

34121131203420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34121131203420 is an abundant number, since it is smaller than the sum of its proper divisors (69442920908100).

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

34121131203420 is a wasteful number, since it uses less digits than its factorization.

34121131203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19604 (or 19599 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 34121131203420 its reverse (2430213112143), we get a palindrome (36551344315563).

The spelling of 34121131203420 in words is "thirty-four trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred three thousand, four hundred twenty".