20212112002 has 8 divisors (see below), whose sum is σ = 30368616012. Its totient is φ = 10089240000.

The previous prime is 20212111963. The next prime is 20212112027. The reversal of 20212112002 is 20021121202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19438215241 + 773896761 = 139421^2 + 27819^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8406499 + ... + 8408902.

Almost surely, 2^20212112002 is an apocalyptic number.

20212112002 is a deficient number, since it is larger than the sum of its proper divisors (10156504010).

20212112002 is a wasteful number, since it uses less digits than its factorization.

20212112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16816004.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20212112002 its reverse (20021121202), we get a palindrome (40233233204).

The spelling of 20212112002 in words is "twenty billion, two hundred twelve million, one hundred twelve thousand, two".