121012010212 has 48 divisors (see below), whose sum is σ = 215446210560. Its totient is φ = 59465120000.

The previous prime is 121012010201. The next prime is 121012010219. The reversal of 121012010212 is 212010210121.

It is a junction number, because it is equal to n+sod(n) for n = 121012010192 and 121012010201.

It is not an unprimeable number, because it can be changed into a prime (121012010219) 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, 93013962 + ... + 93015262.

It is an arithmetic number, because the mean of its divisors is an integer number (4488462720).

Almost surely, 2^121012010212 is an apocalyptic number.

It is an amenable number.

121012010212 is a deficient number, since it is larger than the sum of its proper divisors (94434200348).

121012010212 is a wasteful number, since it uses less digits than its factorization.

121012010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2770 counting only the distinct ones).

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

Adding to 121012010212 its reverse (212010210121), we get a palindrome (333022220333).

The spelling of 121012010212 in words is "one hundred twenty-one billion, twelve million, ten thousand, two hundred twelve".