1421124211242 has 128 divisors (see below), whose sum is σ = 3471984000000. Its totient is φ = 429245510976.

The previous prime is 1421124211211. The next prime is 1421124211253. The reversal of 1421124211242 is 2421124211241.

1421124211242 is a `hidden beast` number, since 1 + 4 + 2 + 112 + 421 + 124 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1922509 + ... + 2557007.

It is an arithmetic number, because the mean of its divisors is an integer number (27124875000).

Almost surely, 2^{1421124211242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421124211242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735992000000).

1421124211242 is an abundant number, since it is smaller than the sum of its proper divisors (2050859788758).

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

1421124211242 is a wasteful number, since it uses less digits than its factorization.

1421124211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634625 (or 634619 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

Adding to 1421124211242 its reverse (2421124211241), we get a palindrome (3842248422483).

Subtracting 1421124211242 from its reverse (2421124211241), we obtain a palindrome (999999999999).

The spelling of 1421124211242 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-four million, two hundred eleven thousand, two hundred forty-two".