212213040139 has 8 divisors (see below), whose sum is σ = 213194386800. Its totient is φ = 211233655776.

The previous prime is 212213040113. The next prime is 212213040161. The reversal of 212213040139 is 931040312212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212213040139 - 2⁵ = 212213040107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212213040199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273564 + ... + 706585.

It is an arithmetic number, because the mean of its divisors is an integer number (26649298350).

Almost surely, 2^212213040139 is an apocalyptic number.

212213040139 is a deficient number, since it is larger than the sum of its proper divisors (981346661).

212213040139 is an equidigital number, since it uses as much as digits as its factorization.

212213040139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981149.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 212213040139 in words is "two hundred twelve billion, two hundred thirteen million, forty thousand, one hundred thirty-nine".