121020012122002 has 16 divisors (see below), whose sum is σ = 209516965826112. Its totient is φ = 51352197505200.

The previous prime is 121020012121999. The next prime is 121020012122029. The reversal of 121020012122002 is 200221210020121.

It is a happy number.

It is a super-2 number, since 2×121020012122002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42793496508 + ... + 42793499335.

It is an arithmetic number, because the mean of its divisors is an integer number (13094810364132).

Almost surely, 2^{121020012122002} is an apocalyptic number.

121020012122002 is a deficient number, since it is larger than the sum of its proper divisors (88496953704110).

121020012122002 is a wasteful number, since it uses less digits than its factorization.

121020012122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85586995953.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121020012122002 its reverse (200221210020121), we get a palindrome (321241222142123).

The spelling of 121020012122002 in words is "one hundred twenty-one trillion, twenty billion, twelve million, one hundred twenty-two thousand, two".