142512213105 has 128 divisors (see below), whose sum is σ = 276812352000. Its totient is φ = 69289758720.

The previous prime is 142512213091. The next prime is 142512213133. The reversal of 142512213105 is 501312215241.

It is a happy number.

142512213105 is a `hidden beast` number, since 1 + 42 + 512 + 2 + 1 + 3 + 105 = 666.

It is not a de Polignac number, because 142512213105 - 2⁸ = 142512212849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23279445 + ... + 23285565.

It is an arithmetic number, because the mean of its divisors is an integer number (2162596500).

Almost surely, 2^142512213105 is an apocalyptic number.

142512213105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142512213105 is a deficient number, since it is larger than the sum of its proper divisors (134300138895).

142512213105 is a wasteful number, since it uses less digits than its factorization.

142512213105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496 (or 6490 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 142512213105 its reverse (501312215241), we get a palindrome (643824428346).

The spelling of 142512213105 in words is "one hundred forty-two billion, five hundred twelve million, two hundred thirteen thousand, one hundred five".