1212153002031 has 8 divisors (see below), whose sum is σ = 1621955619504. Its totient is φ = 805226192960.

The previous prime is 1212153002023. The next prime is 1212153002059. The reversal of 1212153002031 is 1302003512121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212153002031 - 2³ = 1212153002023 is a prime.

It is a super-2 number, since 2×1212153002031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212153001989 and 1212153002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212153009031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718951116 + ... + 718952801.

It is an arithmetic number, because the mean of its divisors is an integer number (202744452438).

Almost surely, 2^{1212153002031} is an apocalyptic number.

1212153002031 is a deficient number, since it is larger than the sum of its proper divisors (409802617473).

1212153002031 is a wasteful number, since it uses less digits than its factorization.

1212153002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437904201.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 1212153002031 its reverse (1302003512121), we get a palindrome (2514156514152).

The spelling of 1212153002031 in words is "one trillion, two hundred twelve billion, one hundred fifty-three million, two thousand, thirty-one".