10212122002 has 8 divisors (see below), whose sum is σ = 15846396300. Its totient is φ = 4929989904.

The previous prime is 10212121999. The next prime is 10212122009. The reversal of 10212122002 is 20022121201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10046253361 + 165868641 = 100231^2 + 12879^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10212122009) 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, 88035477 + ... + 88035592.

Almost surely, 2^10212122002 is an apocalyptic number.

10212122002 is a deficient number, since it is larger than the sum of its proper divisors (5634274298).

10212122002 is a wasteful number, since it uses less digits than its factorization.

10212122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176071100.

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

Adding to 10212122002 its reverse (20022121201), we get a palindrome (30234243203).

The spelling of 10212122002 in words is "ten billion, two hundred twelve million, one hundred twenty-two thousand, two".