21420133102412 has 48 divisors (see below), whose sum is σ = 41149020995712. Its totient is φ = 9675477319680.

The previous prime is 21420133102393. The next prime is 21420133102441.

It is a happy number.

21420133102412 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58246988 + ... + 58613580.

It is an arithmetic number, because the mean of its divisors is an integer number (857271270744).

Almost surely, 2^{21420133102412} is an apocalyptic number.

21420133102412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21420133102412 is a deficient number, since it is larger than the sum of its proper divisors (19728887893300).

21420133102412 is a wasteful number, since it uses less digits than its factorization.

21420133102412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374918 (or 374916 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 2142013 and 3102412, that added together give a palindrome (5244425).

The spelling of 21420133102412 in words is "twenty-one trillion, four hundred twenty billion, one hundred thirty-three million, one hundred two thousand, four hundred twelve".