121211489962 has 16 divisors (see below), whose sum is σ = 185302002600. Its totient is φ = 59455166400.

The previous prime is 121211489929. The next prime is 121211489969. The reversal of 121211489962 is 269984112121.

It can be written as a sum of positive squares in 4 ways, for example, as 106087655521 + 15123834441 = 325711^2 + 122979^2 .

It is a super-2 number, since 2×121211489962² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121211489969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730537 + ... + 2774572.

Almost surely, 2^121211489962 is an apocalyptic number.

121211489962 is a deficient number, since it is larger than the sum of its proper divisors (64090512638).

121211489962 is a wasteful number, since it uses less digits than its factorization.

121211489962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505321.

The product of its digits is 124416, while the sum is 46.

The spelling of 121211489962 in words is "one hundred twenty-one billion, two hundred eleven million, four hundred eighty-nine thousand, nine hundred sixty-two".