121202211020012 has 6 divisors (see below), whose sum is σ = 212103869285028. Its totient is φ = 60601105510004.

The previous prime is 121202211019969. The next prime is 121202211020117. The reversal of 121202211020012 is 210020112202121.

It is a super-2 number, since 2×121202211020012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150276377498 + ... + 15150276377505.

It is an arithmetic number, because the mean of its divisors is an integer number (35350644880838).

Almost surely, 2^{121202211020012} is an apocalyptic number.

It is an amenable number.

121202211020012 is a deficient number, since it is larger than the sum of its proper divisors (90901658265016).

121202211020012 is a wasteful number, since it uses less digits than its factorization.

121202211020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300552755007 (or 30300552755005 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121202211020012 its reverse (210020112202121), we get a palindrome (331222323222133).

The spelling of 121202211020012 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred eleven million, twenty thousand, twelve".