7121970530378 has 16 divisors (see below), whose sum is σ = 11656546133760. Its totient is φ = 3236589182400.

The previous prime is 7121970530369. The next prime is 7121970530417. The reversal of 7121970530378 is 8730350791217.

It is a Curzon number.

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, 33398783 + ... + 33611346.

It is an arithmetic number, because the mean of its divisors is an integer number (728534133360).

Almost surely, 2^{7121970530378} is an apocalyptic number.

7121970530378 is a deficient number, since it is larger than the sum of its proper divisors (4534575603382).

7121970530378 is a wasteful number, since it uses less digits than its factorization.

7121970530378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67014973.

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 7121970530378 in words is "seven trillion, one hundred twenty-one billion, nine hundred seventy million, five hundred thirty thousand, three hundred seventy-eight".