21141201012 has 24 divisors (see below), whose sum is σ = 49535875200. Its totient is φ = 7017580416.

The previous prime is 21141200963. The next prime is 21141201017. The reversal of 21141201012 is 21010214112.

It is a junction number, because it is equal to n+sod(n) for n = 21141200982 and 21141201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21141201017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3682837 + ... + 3688572.

It is an arithmetic number, because the mean of its divisors is an integer number (2063994800).

Almost surely, 2^21141201012 is an apocalyptic number.

It is an amenable number.

21141201012 is an abundant number, since it is smaller than the sum of its proper divisors (28394674188).

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

21141201012 is a wasteful number, since it uses less digits than its factorization.

21141201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371655 (or 7371653 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21141201012 its reverse (21010214112), we get a palindrome (42151415124).

The spelling of 21141201012 in words is "twenty-one billion, one hundred forty-one million, two hundred one thousand, twelve".