30101312121002 has 4 divisors (see below), whose sum is σ = 45151968181506. Its totient is φ = 15050656060500.

The previous prime is 30101312120983. The next prime is 30101312121019. The reversal of 30101312121002 is 20012121310103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20219600417641 + 9881711703361 = 4496621^2 + 3143519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525328030249 + ... + 7525328030252.

Almost surely, 2^{30101312121002} is an apocalyptic number.

30101312121002 is a deficient number, since it is larger than the sum of its proper divisors (15050656060504).

30101312121002 is a wasteful number, since it uses less digits than its factorization.

30101312121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050656060503.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30101312121002 its reverse (20012121310103), we get a palindrome (50113433431105).

The spelling of 30101312121002 in words is "thirty trillion, one hundred one billion, three hundred twelve million, one hundred twenty-one thousand, two".