102100201212212 has 24 divisors (see below), whose sum is σ = 204554302634304. Its totient is φ = 43681393331712.

The previous prime is 102100201212211. The next prime is 102100201212263. The reversal of 102100201212212 is 212212102001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100201212211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159806858 + ... + 3159839169.

It is an arithmetic number, because the mean of its divisors is an integer number (8523095943096).

Almost surely, 2^{102100201212212} is an apocalyptic number.

It is an amenable number.

102100201212212 is an abundant number, since it is smaller than the sum of its proper divisors (102454101422092).

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

102100201212212 is a wasteful number, since it uses less digits than its factorization.

102100201212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319646615 (or 6319646613 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102100201212212 its reverse (212212102001201), we get a palindrome (314312303213413).

The spelling of 102100201212212 in words is "one hundred two trillion, one hundred billion, two hundred one million, two hundred twelve thousand, two hundred twelve".