69216812142 has 16 divisors (see below), whose sum is σ = 138448776960. Its totient is φ = 23069745272.

The previous prime is 69216812129. The next prime is 69216812149. The reversal of 69216812142 is 24121861296.

It is a junction number, because it is equal to n+sod(n) for n = 69216812094 and 69216812103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69216812149) 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, 571542 + ... + 681977.

It is an arithmetic number, because the mean of its divisors is an integer number (8653048560).

Almost surely, 2^69216812142 is an apocalyptic number.

69216812142 is an abundant number, since it is smaller than the sum of its proper divisors (69231964818).

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

69216812142 is a wasteful number, since it uses less digits than its factorization.

69216812142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262727.

The product of its digits is 82944, while the sum is 42.

The spelling of 69216812142 in words is "sixty-nine billion, two hundred sixteen million, eight hundred twelve thousand, one hundred forty-two".