20151014012 has 48 divisors (see below), whose sum is σ = 37440228672. Its totient is φ = 9469447680.

The previous prime is 20151013999. The next prime is 20151014017. The reversal of 20151014012 is 21041015102.

It is a super-2 number, since 2×20151014012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151014017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10532768 + ... + 10534680.

It is an arithmetic number, because the mean of its divisors is an integer number (780004764).

Almost surely, 2^20151014012 is an apocalyptic number.

It is an amenable number.

20151014012 is a deficient number, since it is larger than the sum of its proper divisors (17289214660).

20151014012 is a wasteful number, since it uses less digits than its factorization.

20151014012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 20151014012 its reverse (21041015102), we get a palindrome (41192029114).

The spelling of 20151014012 in words is "twenty billion, one hundred fifty-one million, fourteen thousand, twelve".