101220001001212 has 24 divisors (see below), whose sum is σ = 186459898822400. Its totient is φ = 47945801401776.

The previous prime is 101220001001101. The next prime is 101220001001221. The reversal of 101220001001212 is 212100100022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220001001192 and 101220001001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20173 + ... + 14228155.

Almost surely, 2^{101220001001212} is an apocalyptic number.

It is an amenable number.

101220001001212 is a deficient number, since it is larger than the sum of its proper divisors (85239897821188).

101220001001212 is a wasteful number, since it uses less digits than its factorization.

101220001001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301745 (or 14301743 counting only the distinct ones).

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

Adding to 101220001001212 its reverse (212100100022101), we get a palindrome (313320101023313).

The spelling of 101220001001212 in words is "one hundred one trillion, two hundred twenty billion, one million, one thousand, two hundred twelve".