102770400201212 has 12 divisors (see below), whose sum is σ = 181498183842360. Its totient is φ = 50913776246256.

The previous prime is 102770400201211. The next prime is 102770400201299. The reversal of 102770400201212 is 212102004077201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102770400201211) 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, 117855963098 + ... + 117855963969.

It is an arithmetic number, because the mean of its divisors is an integer number (15124848653530).

Almost surely, 2^{102770400201212} is an apocalyptic number.

It is an amenable number.

102770400201212 is a deficient number, since it is larger than the sum of its proper divisors (78727783641148).

102770400201212 is a wasteful number, since it uses less digits than its factorization.

102770400201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235711927180 (or 235711927178 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 102770400201212 its reverse (212102004077201), we get a palindrome (314872404278413).

The spelling of 102770400201212 in words is "one hundred two trillion, seven hundred seventy billion, four hundred million, two hundred one thousand, two hundred twelve".