142523214012 has 72 divisors (see below), whose sum is σ = 374114971776. Its totient is φ = 47443557168.

The previous prime is 142523213977. The next prime is 142523214019. The reversal of 142523214012 is 210412325241.

142523214012 is a `hidden beast` number, since 1 + 4 + 25 + 232 + 1 + 401 + 2 = 666.

It is a super-2 number, since 2×142523214012² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142523214019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623523 + ... + 820869.

Almost surely, 2^142523214012 is an apocalyptic number.

142523214012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142523214012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187057485888).

142523214012 is an abundant number, since it is smaller than the sum of its proper divisors (231591757764).

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

142523214012 is a wasteful number, since it uses less digits than its factorization.

142523214012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198109 (or 198095 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 142523214012 its reverse (210412325241), we get a palindrome (352935539253).

The spelling of 142523214012 in words is "one hundred forty-two billion, five hundred twenty-three million, two hundred fourteen thousand, twelve".