101212223103142 has 64 divisors (see below), whose sum is σ = 160470512640000. Its totient is φ = 47805838295040.

The previous prime is 101212223103139. The next prime is 101212223103193. The reversal of 101212223103142 is 241301322212101.

It is a super-3 number, since 3×101212223103142³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3601972609 + ... + 3602000707.

It is an arithmetic number, because the mean of its divisors is an integer number (2507351760000).

Almost surely, 2^{101212223103142} is an apocalyptic number.

101212223103142 is a deficient number, since it is larger than the sum of its proper divisors (59258289536858).

101212223103142 is a wasteful number, since it uses less digits than its factorization.

101212223103142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31381.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 101212223103142 its reverse (241301322212101), we get a palindrome (342513545315243).

The spelling of 101212223103142 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-three million, one hundred three thousand, one hundred forty-two".