1204213455031 has 16 divisors (see below), whose sum is σ = 1235752648704. Its totient is φ = 1172934373824.

The previous prime is 1204213454959. The next prime is 1204213455073. The reversal of 1204213455031 is 1305543124021.

It is a cyclic number.

It is not a de Polignac number, because 1204213455031 - 2¹⁷ = 1204213323959 is a prime.

It is a super-2 number, since 2×1204213455031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204213454984 and 1204213455002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204213455131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8153266 + ... + 8299648.

It is an arithmetic number, because the mean of its divisors is an integer number (77234540544).

Almost surely, 2^{1204213455031} is an apocalyptic number.

1204213455031 is a deficient number, since it is larger than the sum of its proper divisors (31539193673).

1204213455031 is a wasteful number, since it uses less digits than its factorization.

1204213455031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147270.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1204213455031 its reverse (1305543124021), we get a palindrome (2509756579052).

The spelling of 1204213455031 in words is "one trillion, two hundred four billion, two hundred thirteen million, four hundred fifty-five thousand, thirty-one".