1215401051230 has 16 divisors (see below), whose sum is σ = 2187745862544. Its totient is φ = 486155093760.

The previous prime is 1215401051173. The next prime is 1215401051273. The reversal of 1215401051230 is 321501045121.

It is a junction number, because it is equal to n+sod(n) for n = 1215401051195 and 1215401051204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369070 + ... + 1602190.

It is an arithmetic number, because the mean of its divisors is an integer number (136734116409).

Almost surely, 2^{1215401051230} is an apocalyptic number.

1215401051230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215401051230 is a deficient number, since it is larger than the sum of its proper divisors (972344811314).

1215401051230 is a wasteful number, since it uses less digits than its factorization.

1215401051230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331691.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1215401051230 its reverse (321501045121), we get a palindrome (1536902096351).

The spelling of 1215401051230 in words is "one trillion, two hundred fifteen billion, four hundred one million, fifty-one thousand, two hundred thirty".