1201100102212 has 6 divisors (see below), whose sum is σ = 2101925178878. Its totient is φ = 600550051104.

The previous prime is 1201100102173. The next prime is 1201100102239. The reversal of 1201100102212 is 2122010011021.

It can be written as a sum of positive squares in only one way, i.e., 728438352196 + 472661750016 = 853486^2 + 687504^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201100102192 and 1201100102201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150137512773 + ... + 150137512780.

Almost surely, 2^{1201100102212} is an apocalyptic number.

It is an amenable number.

1201100102212 is a deficient number, since it is larger than the sum of its proper divisors (900825076666).

1201100102212 is a wasteful number, since it uses less digits than its factorization.

1201100102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300275025557 (or 300275025555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201100102212 its reverse (2122010011021), we get a palindrome (3323110113233).

The spelling of 1201100102212 in words is "one trillion, two hundred one billion, one hundred million, one hundred two thousand, two hundred twelve".