1022012212100 has 36 divisors (see below), whose sum is σ = 2419381639248. Its totient is φ = 371640804000.

The previous prime is 1022012212069. The next prime is 1022012212147. The reversal of 1022012212100 is 12122102201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464549906 + ... + 464552105.

Almost surely, 2^{1022012212100} is an apocalyptic number.

1022012212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022012212100 is an abundant number, since it is smaller than the sum of its proper divisors (1397369427148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022012212100 is a wasteful number, since it uses less digits than its factorization.

1022012212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929102036 (or 929102029 counting only the distinct ones).

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

Adding to 1022012212100 its reverse (12122102201), we get a palindrome (1034134314301).

The spelling of 1022012212100 in words is "one trillion, twenty-two billion, twelve million, two hundred twelve thousand, one hundred".