212141721802 has 8 divisors (see below), whose sum is σ = 325612875456. Its totient is φ = 103604096652.

The previous prime is 212141721793. The next prime is 212141721809. The reversal of 212141721802 is 208127141212.

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

It is a super-2 number, since 2×212141721802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212141721809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233382018 + ... + 1233382189.

It is an arithmetic number, because the mean of its divisors is an integer number (40701609432).

Almost surely, 2^212141721802 is an apocalyptic number.

212141721802 is a deficient number, since it is larger than the sum of its proper divisors (113471153654).

212141721802 is a wasteful number, since it uses less digits than its factorization.

212141721802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466764252.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 212141721802 in words is "two hundred twelve billion, one hundred forty-one million, seven hundred twenty-one thousand, eight hundred two".