21014641012 has 12 divisors (see below), whose sum is σ = 38374562016. Its totient is φ = 10050480440.

The previous prime is 21014640931. The next prime is 21014641013.

21014641012 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21014641013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114209914 + ... + 114210097.

It is an arithmetic number, because the mean of its divisors is an integer number (3197880168).

Almost surely, 2^21014641012 is an apocalyptic number.

It is an amenable number.

21014641012 is a deficient number, since it is larger than the sum of its proper divisors (17359921004).

21014641012 is a wasteful number, since it uses less digits than its factorization.

21014641012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228420038 (or 228420036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 21014641012 in words is "twenty-one billion, fourteen million, six hundred forty-one thousand, twelve".