121012212002 has 16 divisors (see below), whose sum is σ = 204407725824. Its totient is φ = 53231178000.

The previous prime is 121012211993. The next prime is 121012212007. The reversal of 121012212002 is 200212210121.

It is not an unprimeable number, because it can be changed into a prime (121012212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88717949 + ... + 88719312.

It is an arithmetic number, because the mean of its divisors is an integer number (12775482864).

Almost surely, 2^121012212002 is an apocalyptic number.

121012212002 is a deficient number, since it is larger than the sum of its proper divisors (83395513822).

121012212002 is a wasteful number, since it uses less digits than its factorization.

121012212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177437305.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121012212002 its reverse (200212210121), we get a palindrome (321224422123).

The spelling of 121012212002 in words is "one hundred twenty-one billion, twelve million, two hundred twelve thousand, two".