121000211212 has 24 divisors (see below), whose sum is σ = 212907449216. Its totient is φ = 60170041728.

The previous prime is 121000211207. The next prime is 121000211303. The reversal of 121000211212 is 212112000121.

It is a super-2 number, since 2×121000211212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000211192 and 121000211201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855778 + ... + 987094.

Almost surely, 2^121000211212 is an apocalyptic number.

It is an amenable number.

121000211212 is a deficient number, since it is larger than the sum of its proper divisors (91907238004).

121000211212 is a wasteful number, since it uses less digits than its factorization.

121000211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132577 (or 132575 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121000211212 its reverse (212112000121), we get a palindrome (333112211333).

The spelling of 121000211212 in words is "one hundred twenty-one billion, two hundred eleven thousand, two hundred twelve".