1421231012 has 24 divisors (see below), whose sum is σ = 2557121952. Its totient is φ = 690782400.

The previous prime is 1421231003. The next prime is 1421231023. The reversal of 1421231012 is 2101321241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16712 + ... + 55872.

It is an arithmetic number, because the mean of its divisors is an integer number (106546748).

Almost surely, 2^1421231012 is an apocalyptic number.

It is an amenable number.

1421231012 is a deficient number, since it is larger than the sum of its proper divisors (1135890940).

1421231012 is a wasteful number, since it uses less digits than its factorization.

1421231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39419 (or 39417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1421231012 is about 37699.2176576650. The cubic root of 1421231012 is about 1124.3155703895.

Adding to 1421231012 its reverse (2101321241), we get a palindrome (3522552253).

The spelling of 1421231012 in words is "one billion, four hundred twenty-one million, two hundred thirty-one thousand, twelve".