20121213002 has 32 divisors (see below), whose sum is σ = 33206241600. Its totient is φ = 9068279680.

The previous prime is 20121213001. The next prime is 20121213029. The reversal of 20121213002 is 20031212102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20121213001) 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, 1918958 + ... + 1929414.

It is an arithmetic number, because the mean of its divisors is an integer number (1037695050).

Almost surely, 2^20121213002 is an apocalyptic number.

20121213002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20121213002 is a deficient number, since it is larger than the sum of its proper divisors (13085028598).

20121213002 is a wasteful number, since it uses less digits than its factorization.

20121213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20121213002 its reverse (20031212102), we get a palindrome (40152425104).

The spelling of 20121213002 in words is "twenty billion, one hundred twenty-one million, two hundred thirteen thousand, two".