32100020012 has 24 divisors (see below), whose sum is σ = 58924357632. Its totient is φ = 15271797200.

The previous prime is 32100020011. The next prime is 32100020101. The reversal of 32100020012 is 21002000123.

It is a happy number.

It is a super-2 number, since 2×32100020012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32100019975 and 32100020002.

It is not an unprimeable number, because it can be changed into a prime (32100020011) 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, 895814 + ... + 930957.

It is an arithmetic number, because the mean of its divisors is an integer number (2455181568).

Almost surely, 2^32100020012 is an apocalyptic number.

It is an amenable number.

32100020012 is a deficient number, since it is larger than the sum of its proper divisors (26824337620).

32100020012 is a wasteful number, since it uses less digits than its factorization.

32100020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826989 (or 1826987 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 32100020012 its reverse (21002000123), we get a palindrome (53102020135).

The spelling of 32100020012 in words is "thirty-two billion, one hundred million, twenty thousand, twelve".