1421202114552 has 128 divisors (see below), whose sum is σ = 3886974812160. Its totient is φ = 429449973120.

The previous prime is 1421202114551. The next prime is 1421202114587. The reversal of 1421202114552 is 2554112021241.

It is a super-2 number, since 2×1421202114552² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421202114551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203519653 + ... + 203526635.

It is an arithmetic number, because the mean of its divisors is an integer number (30366990720).

Almost surely, 2^{1421202114552} is an apocalyptic number.

1421202114552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421202114552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943487406080).

1421202114552 is an abundant number, since it is smaller than the sum of its proper divisors (2465772697608).

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

1421202114552 is a wasteful number, since it uses less digits than its factorization.

1421202114552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073 (or 9069 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1421202114552 its reverse (2554112021241), we get a palindrome (3975314135793).

The spelling of 1421202114552 in words is "one trillion, four hundred twenty-one billion, two hundred two million, one hundred fourteen thousand, five hundred fifty-two".