1021200102212 has 24 divisors (see below), whose sum is σ = 1929103646400. Its totient is φ = 471558666656.

The previous prime is 1021200102179. The next prime is 1021200102239. The reversal of 1021200102212 is 2122010021201.

1021200102212 is a modest number, since divided by 102212 gives 10212 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191376662 + ... + 191381997.

It is an arithmetic number, because the mean of its divisors is an integer number (80379318600).

Almost surely, 2^{1021200102212} is an apocalyptic number.

It is an amenable number.

1021200102212 is a deficient number, since it is larger than the sum of its proper divisors (907903544188).

1021200102212 is a wasteful number, since it uses less digits than its factorization.

1021200102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382758715 (or 382758713 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021200102212 its reverse (2122010021201), we get a palindrome (3143210123413).

The spelling of 1021200102212 in words is "one trillion, twenty-one billion, two hundred million, one hundred two thousand, two hundred twelve".