1970998384272 has 40 divisors (see below), whose sum is σ = 5091974509440. Its totient is φ = 656969953920.

The previous prime is 1970998384241. The next prime is 1970998384297. The reversal of 1970998384272 is 2724838990791.

It is a junction number, because it is equal to n+sod(n) for n = 1970998384197 and 1970998384206.

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, 171129 + ... + 1992807.

It is an arithmetic number, because the mean of its divisors is an integer number (127299362736).

Almost surely, 2^{1970998384272} is an apocalyptic number.

1970998384272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1970998384272 is an abundant number, since it is smaller than the sum of its proper divisors (3120976125168).

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

1970998384272 is a wasteful number, since it uses less digits than its factorization.

1970998384272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844231 (or 1844225 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 69.

The spelling of 1970998384272 in words is "one trillion, nine hundred seventy billion, nine hundred ninety-eight million, three hundred eighty-four thousand, two hundred seventy-two".