102021101201212 has 12 divisors (see below), whose sum is σ = 179215774735536. Its totient is φ = 50816594133920.

The previous prime is 102021101201203. The next prime is 102021101201219. The reversal of 102021101201212 is 212102101120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021101201219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48489115489 + ... + 48489117592.

It is an arithmetic number, because the mean of its divisors is an integer number (14934647894628).

Almost surely, 2^{102021101201212} is an apocalyptic number.

It is an amenable number.

102021101201212 is a deficient number, since it is larger than the sum of its proper divisors (77194673534324).

102021101201212 is a wasteful number, since it uses less digits than its factorization.

102021101201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96978233348 (or 96978233346 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102021101201212 its reverse (212102101120201), we get a palindrome (314123202321413).

The spelling of 102021101201212 in words is "one hundred two trillion, twenty-one billion, one hundred one million, two hundred one thousand, two hundred twelve".