10021210022212 has 12 divisors (see below), whose sum is σ = 17538509351356. Its totient is φ = 5010207350400.

The previous prime is 10021210022167. The next prime is 10021210022249. The reversal of 10021210022212 is 21222001212001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7668103109956 + 2353106912256 = 2769134^2 + 1533984^2 .

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, 99358473 + ... + 99459280.

Almost surely, 2^{10021210022212} is an apocalyptic number.

It is an amenable number.

10021210022212 is a deficient number, since it is larger than the sum of its proper divisors (7517299329144).

10021210022212 is a wasteful number, since it uses less digits than its factorization.

10021210022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198830358 (or 198830356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10021210022212 its reverse (21222001212001), we get a palindrome (31243211234213).

The spelling of 10021210022212 in words is "ten trillion, twenty-one billion, two hundred ten million, twenty-two thousand, two hundred twelve".