354215021200000 has 96 divisors (see below), whose sum is σ = 882021969910620. Its totient is φ = 141686008320000.

The previous prime is 354215021199997. The next prime is 354215021200087. The reversal of 354215021200000 is 2120512453.

It can be written as a sum of positive squares in 6 ways, for example, as 5446846487104 + 348768174712896 = 2333848^2 + 18675336^2 .

It is a super-3 number, since 3×354215021200000³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442368777 + ... + 443168776.

Almost surely, 2^{354215021200000} is an apocalyptic number.

It is an amenable number.

354215021200000 is an abundant number, since it is smaller than the sum of its proper divisors (527806948710620).

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

354215021200000 is an frugal number, since it uses more digits than its factorization.

354215021200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885537592 (or 885537560 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 354215021200000 its reverse (2120512453), we get a palindrome (354217141712453).

The spelling of 354215021200000 in words is "three hundred fifty-four trillion, two hundred fifteen billion, twenty-one million, two hundred thousand".