140421224131412 has 36 divisors (see below), whose sum is σ = 286035154210260. Its totient is φ = 60143122053504.

The previous prime is 140421224131411. The next prime is 140421224131429. The reversal of 140421224131412 is 214131422124041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67566361455376 + 72854862676036 = 8219876^2 + 8535506^2 .

It is a super-2 number, since 2×140421224131412² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140421224131411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222318203 + ... + 222948930.

It is an arithmetic number, because the mean of its divisors is an integer number (7945420950285).

Almost surely, 2^{140421224131412} is an apocalyptic number.

It is an amenable number.

140421224131412 is an abundant number, since it is smaller than the sum of its proper divisors (145613930078848).

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

140421224131412 is a wasteful number, since it uses less digits than its factorization.

140421224131412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445268760 (or 445268751 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 140421224131412 its reverse (214131422124041), we get a palindrome (354552646255453).

The spelling of 140421224131412 in words is "one hundred forty trillion, four hundred twenty-one billion, two hundred twenty-four million, one hundred thirty-one thousand, four hundred twelve".