142012214421 has 64 divisors (see below), whose sum is σ = 237214365696. Its totient is φ = 73416499200.

The previous prime is 142012214371. The next prime is 142012214423. The reversal of 142012214421 is 124412210241.

It is a happy number.

It is not a de Polignac number, because 142012214421 - 2¹⁰ = 142012213397 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142012214391 and 142012214400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012214423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62476741 + ... + 62479013.

It is an arithmetic number, because the mean of its divisors is an integer number (3706474464).

Almost surely, 2^142012214421 is an apocalyptic number.

142012214421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142012214421 is a deficient number, since it is larger than the sum of its proper divisors (95202151275).

142012214421 is a wasteful number, since it uses less digits than its factorization.

142012214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 142012214421 its reverse (124412210241), we get a palindrome (266424424662).

The spelling of 142012214421 in words is "one hundred forty-two billion, twelve million, two hundred fourteen thousand, four hundred twenty-one".