121012120022002 has 32 divisors (see below), whose sum is σ = 202197633822144. Its totient is φ = 53856008812800.

The previous prime is 121012120021973. The next prime is 121012120022009. The reversal of 121012120022002 is 200220021210121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121012120022009) 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, 274780024 + ... + 275220067.

It is an arithmetic number, because the mean of its divisors is an integer number (6318676056942).

Almost surely, 2^{121012120022002} is an apocalyptic number.

121012120022002 is a deficient number, since it is larger than the sum of its proper divisors (81185513800142).

121012120022002 is a wasteful number, since it uses less digits than its factorization.

121012120022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550000314.

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

Adding to 121012120022002 its reverse (200220021210121), we get a palindrome (321232141232123).

The spelling of 121012120022002 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, twenty-two thousand, two".