121210002111012 has 24 divisors (see below), whose sum is σ = 283677789441312. Its totient is φ = 40281269582400.

The previous prime is 121210002110999. The next prime is 121210002111017. The reversal of 121210002111012 is 210111200012121.

It is a happy number.

It is a super-2 number, since 2×121210002111012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121210002110982 and 121210002111000.

It is not an unprimeable number, because it can be changed into a prime (121210002111017) 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, 15258052689 + ... + 15258060632.

It is an arithmetic number, because the mean of its divisors is an integer number (11819907893388).

Almost surely, 2^{121210002111012} is an apocalyptic number.

121210002111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121210002111012 is an abundant number, since it is smaller than the sum of its proper divisors (162467787330300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121210002111012 is a wasteful number, since it uses less digits than its factorization.

121210002111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30516113659 (or 30516113657 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121210002111012 its reverse (210111200012121), we get a palindrome (331321202123133).

The spelling of 121210002111012 in words is "one hundred twenty-one trillion, two hundred ten billion, two million, one hundred eleven thousand, twelve".