121003132212 has 36 divisors (see below), whose sum is σ = 305996745600. Its totient is φ = 40317535632.

The previous prime is 121003132207. The next prime is 121003132241. The reversal of 121003132212 is 212231300121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×121003132212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614178 + ... + 786905.

It is an arithmetic number, because the mean of its divisors is an integer number (8499909600).

Almost surely, 2^121003132212 is an apocalyptic number.

121003132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121003132212 is an abundant number, since it is smaller than the sum of its proper divisors (184993613388).

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

121003132212 is a wasteful number, since it uses less digits than its factorization.

121003132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403492 (or 1403487 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121003132212 its reverse (212231300121), we get a palindrome (333234432333).

The spelling of 121003132212 in words is "one hundred twenty-one billion, three million, one hundred thirty-two thousand, two hundred twelve".