131421140212 has 6 divisors (see below), whose sum is σ = 229986995378. Its totient is φ = 65710570104.

The previous prime is 131421140203. The next prime is 131421140269. The reversal of 131421140212 is 212041124131.

It can be written as a sum of positive squares in only one way, i.e., 131396100196 + 25040016 = 362486^2 + 5004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16427642523 + ... + 16427642530.

Almost surely, 2^131421140212 is an apocalyptic number.

It is an amenable number.

131421140212 is a deficient number, since it is larger than the sum of its proper divisors (98565855166).

131421140212 is a wasteful number, since it uses less digits than its factorization.

131421140212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32855285057 (or 32855285055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131421140212 its reverse (212041124131), we get a palindrome (343462264343).

The spelling of 131421140212 in words is "one hundred thirty-one billion, four hundred twenty-one million, one hundred forty thousand, two hundred twelve".