1420400421412 has 24 divisors (see below), whose sum is σ = 2843243557056. Its totient is φ = 608219599008.

The previous prime is 1420400421389. The next prime is 1420400421431. The reversal of 1420400421412 is 2141240040241.

It is a happy 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, 21776803 + ... + 21841930.

It is an arithmetic number, because the mean of its divisors is an integer number (118468481544).

Almost surely, 2^{1420400421412} is an apocalyptic number.

It is an amenable number.

1420400421412 is an abundant number, since it is smaller than the sum of its proper divisors (1422843135644).

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

1420400421412 is a wasteful number, since it uses less digits than its factorization.

1420400421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43619907 (or 43619905 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1420400421412 its reverse (2141240040241), we get a palindrome (3561640461653).

The spelling of 1420400421412 in words is "one trillion, four hundred twenty billion, four hundred million, four hundred twenty-one thousand, four hundred twelve".