1421408212 has 24 divisors (see below), whose sum is σ = 2858708160. Its totient is φ = 605769600.

The previous prime is 1421408207. The next prime is 1421408227. The reversal of 1421408212 is 2128041241.

It is a congruent number.

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, 136789 + ... + 146812.

It is an arithmetic number, because the mean of its divisors is an integer number (119112840).

Almost surely, 2^1421408212 is an apocalyptic number.

It is an amenable number.

1421408212 is an abundant number, since it is smaller than the sum of its proper divisors (1437299948).

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

1421408212 is a wasteful number, since it uses less digits than its factorization.

1421408212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283791 (or 283789 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1421408212 is about 37701.5677658105. The cubic root of 1421408212 is about 1124.3622952446.

Adding to 1421408212 its reverse (2128041241), we get a palindrome (3549449453).

The spelling of 1421408212 in words is "one billion, four hundred twenty-one million, four hundred eight thousand, two hundred twelve".