354004121220 has 24 divisors (see below), whose sum is σ = 991211539584. Its totient is φ = 94401098976.

The previous prime is 354004121197. The next prime is 354004121299. The reversal of 354004121220 is 22121400453.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950034284 + ... + 2950034403.

It is an arithmetic number, because the mean of its divisors is an integer number (41300480816).

Almost surely, 2^354004121220 is an apocalyptic number.

354004121220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354004121220 is an abundant number, since it is smaller than the sum of its proper divisors (637207418364).

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

354004121220 is a wasteful number, since it uses less digits than its factorization.

354004121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900068699 (or 5900068697 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 354004121220 its reverse (22121400453), we get a palindrome (376125521673).

The spelling of 354004121220 in words is "three hundred fifty-four billion, four million, one hundred twenty-one thousand, two hundred twenty".